1900244500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 216

約数和(自身を含む): 5314766184

約数和(自身を除く): 3414521684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 121, 125, 140, 154, 175, 196, 220, 242, 245, 250, 275, 308, 350, 385, 484, 490, 500, 539, 550, 605, 641, 700, 770, 847, 875, 980, 1078, 1100, 1210, 1225, 1282, 1375, 1540, 1694, 1750, 1925, 2156, 2420, 2450, 2564, 2695, 2750, 3025, 3205, 3388, 3500, 3850, 4235, 4487, 4900, 5390, 5500, 5929, 6050, 6125, 6410, 7051, 7700, 8470, 8974, 9625, 10780, 11858, 12100, 12250, 12820, 13475, 14102, 15125, 16025, 16940, 17948, 19250, 21175, 22435, 23716, 24500, 26950, 28204, 29645, 30250, 31409, 32050, 35255, 38500, 42350, 44870, 49357, 53900, 59290, 60500, 62818, 64100, 67375, 70510, 77561, 80125, 84700, 89740, 98714, 105875, 112175, 118580, 125636, 134750, 141020, 148225, 155122, 157045, 160250, 176275, 197428, 211750, 224350, 246785, 269500, 296450, 310244, 314090, 320500, 345499, 352550, 387805, 423500, 448700, 493570, 542927, 560875, 592900, 628180, 690998, 705100, 741125, 775610, 785225, 881375, 987140, 1085854, 1121750, 1233925, 1381996, 1482250, 1551220, 1570450, 1727495, 1762750, 1939025, 2171708, 2243500, 2467850, 2714635, 2964500, 3140900, 3454990, 3525500, 3800489, 3878050, 3926125, 4935700, 5429270, 6169625, 6909980, 7600978, 7756100, 7852250, 8637475, 9695125, 10858540, 12339250, 13573175, 15201956, 15704500, 17274950, 19002445, 19390250, 24678500, 27146350, 34549900, 38004890, 38780500, 43187375, 54292700, 67865875, 76009780, 86374750, 95012225, 135731750, 172749500, 190024450, 271463500, 380048900, 475061125, 950122250, 1900244500]

約数ペア:

[(1, 1900244500), (2, 950122250), (4, 475061125), (5, 380048900), (7, 271463500), (10, 190024450), (11, 172749500), (14, 135731750), (20, 95012225), (22, 86374750), (25, 76009780), (28, 67865875), (35, 54292700), (44, 43187375), (49, 38780500), (50, 38004890), (55, 34549900), (70, 27146350), (77, 24678500), (98, 19390250), (100, 19002445), (110, 17274950), (121, 15704500), (125, 15201956), (140, 13573175), (154, 12339250), (175, 10858540), (196, 9695125), (220, 8637475), (242, 7852250), (245, 7756100), (250, 7600978), (275, 6909980), (308, 6169625), (350, 5429270), (385, 4935700), (484, 3926125), (490, 3878050), (500, 3800489), (539, 3525500), (550, 3454990), (605, 3140900), (641, 2964500), (700, 2714635), (770, 2467850), (847, 2243500), (875, 2171708), (980, 1939025), (1078, 1762750), (1100, 1727495), (1210, 1570450), (1225, 1551220), (1282, 1482250), (1375, 1381996), (1540, 1233925), (1694, 1121750), (1750, 1085854), (1925, 987140), (2156, 881375), (2420, 785225), (2450, 775610), (2564, 741125), (2695, 705100), (2750, 690998), (3025, 628180), (3205, 592900), (3388, 560875), (3500, 542927), (3850, 493570), (4235, 448700), (4487, 423500), (4900, 387805), (5390, 352550), (5500, 345499), (5929, 320500), (6050, 314090), (6125, 310244), (6410, 296450), (7051, 269500), (7700, 246785), (8470, 224350), (8974, 211750), (9625, 197428), (10780, 176275), (11858, 160250), (12100, 157045), (12250, 155122), (12820, 148225), (13475, 141020), (14102, 134750), (15125, 125636), (16025, 118580), (16940, 112175), (17948, 105875), (19250, 98714), (21175, 89740), (22435, 84700), (23716, 80125), (24500, 77561), (26950, 70510), (28204, 67375), (29645, 64100), (30250, 62818), (31409, 60500), (32050, 59290), (35255, 53900), (38500, 49357), (42350, 44870)]