1998824200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 5091102720

約数和(自身を除く): 3092278520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 31, 40, 46, 50, 62, 92, 100, 107, 115, 124, 131, 155, 184, 200, 214, 230, 248, 262, 310, 428, 460, 524, 535, 575, 620, 655, 713, 775, 856, 920, 1048, 1070, 1150, 1240, 1310, 1426, 1550, 2140, 2300, 2461, 2620, 2675, 2852, 3013, 3100, 3275, 3317, 3565, 4061, 4280, 4600, 4922, 5240, 5350, 5704, 6026, 6200, 6550, 6634, 7130, 8122, 9844, 10700, 12052, 12305, 13100, 13268, 14017, 14260, 15065, 16244, 16585, 17825, 19688, 20305, 21400, 24104, 24610, 26200, 26536, 28034, 28520, 30130, 32488, 33170, 35650, 40610, 49220, 56068, 60260, 61525, 66340, 70085, 71300, 75325, 76291, 81220, 82925, 93403, 98440, 101525, 112136, 120520, 123050, 132680, 140170, 142600, 150650, 152582, 162440, 165850, 186806, 203050, 246100, 280340, 301300, 305164, 322391, 331700, 350425, 373612, 381455, 406100, 434527, 467015, 492200, 560680, 602600, 610328, 644782, 663400, 700850, 747224, 762910, 812200, 869054, 934030, 1289564, 1401700, 1525820, 1611955, 1738108, 1868060, 1907275, 2172635, 2335075, 2579128, 2803400, 3051640, 3223910, 3476216, 3736120, 3814550, 4345270, 4670150, 6447820, 7629100, 8059775, 8690540, 9340300, 9994121, 10863175, 12895640, 15258200, 16119550, 17381080, 18680600, 19988242, 21726350, 32239100, 39976484, 43452700, 49970605, 64478200, 79952968, 86905400, 99941210, 199882420, 249853025, 399764840, 499706050, 999412100, 1998824200]

約数ペア:

[(1, 1998824200), (2, 999412100), (4, 499706050), (5, 399764840), (8, 249853025), (10, 199882420), (20, 99941210), (23, 86905400), (25, 79952968), (31, 64478200), (40, 49970605), (46, 43452700), (50, 39976484), (62, 32239100), (92, 21726350), (100, 19988242), (107, 18680600), (115, 17381080), (124, 16119550), (131, 15258200), (155, 12895640), (184, 10863175), (200, 9994121), (214, 9340300), (230, 8690540), (248, 8059775), (262, 7629100), (310, 6447820), (428, 4670150), (460, 4345270), (524, 3814550), (535, 3736120), (575, 3476216), (620, 3223910), (655, 3051640), (713, 2803400), (775, 2579128), (856, 2335075), (920, 2172635), (1048, 1907275), (1070, 1868060), (1150, 1738108), (1240, 1611955), (1310, 1525820), (1426, 1401700), (1550, 1289564), (2140, 934030), (2300, 869054), (2461, 812200), (2620, 762910), (2675, 747224), (2852, 700850), (3013, 663400), (3100, 644782), (3275, 610328), (3317, 602600), (3565, 560680), (4061, 492200), (4280, 467015), (4600, 434527), (4922, 406100), (5240, 381455), (5350, 373612), (5704, 350425), (6026, 331700), (6200, 322391), (6550, 305164), (6634, 301300), (7130, 280340), (8122, 246100), (9844, 203050), (10700, 186806), (12052, 165850), (12305, 162440), (13100, 152582), (13268, 150650), (14017, 142600), (14260, 140170), (15065, 132680), (16244, 123050), (16585, 120520), (17825, 112136), (19688, 101525), (20305, 98440), (21400, 93403), (24104, 82925), (24610, 81220), (26200, 76291), (26536, 75325), (28034, 71300), (28520, 70085), (30130, 66340), (32488, 61525), (33170, 60260), (35650, 56068), (40610, 49220)]