209767250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 519187968

約数和(自身を除く): 309420718

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 125, 154, 170, 175, 187, 238, 250, 275, 350, 374, 385, 425, 550, 595, 641, 770, 850, 875, 935, 1190, 1282, 1309, 1375, 1750, 1870, 1925, 2125, 2618, 2750, 2975, 3205, 3850, 4250, 4487, 4675, 5950, 6410, 6545, 7051, 8974, 9350, 9625, 10897, 13090, 14102, 14875, 16025, 19250, 21794, 22435, 23375, 29750, 32050, 32725, 35255, 44870, 46750, 49357, 54485, 65450, 70510, 76279, 80125, 98714, 108970, 112175, 119867, 152558, 160250, 163625, 176275, 224350, 239734, 246785, 272425, 327250, 352550, 381395, 493570, 544850, 560875, 599335, 762790, 839069, 881375, 1121750, 1198670, 1233925, 1362125, 1678138, 1762750, 1906975, 2467850, 2724250, 2996675, 3813950, 4195345, 5993350, 6169625, 8390690, 9534875, 12339250, 14983375, 19069750, 20976725, 29966750, 41953450, 104883625, 209767250]

約数ペア:

[(1, 209767250), (2, 104883625), (5, 41953450), (7, 29966750), (10, 20976725), (11, 19069750), (14, 14983375), (17, 12339250), (22, 9534875), (25, 8390690), (34, 6169625), (35, 5993350), (50, 4195345), (55, 3813950), (70, 2996675), (77, 2724250), (85, 2467850), (110, 1906975), (119, 1762750), (125, 1678138), (154, 1362125), (170, 1233925), (175, 1198670), (187, 1121750), (238, 881375), (250, 839069), (275, 762790), (350, 599335), (374, 560875), (385, 544850), (425, 493570), (550, 381395), (595, 352550), (641, 327250), (770, 272425), (850, 246785), (875, 239734), (935, 224350), (1190, 176275), (1282, 163625), (1309, 160250), (1375, 152558), (1750, 119867), (1870, 112175), (1925, 108970), (2125, 98714), (2618, 80125), (2750, 76279), (2975, 70510), (3205, 65450), (3850, 54485), (4250, 49357), (4487, 46750), (4675, 44870), (5950, 35255), (6410, 32725), (6545, 32050), (7051, 29750), (8974, 23375), (9350, 22435), (9625, 21794), (10897, 19250), (13090, 16025), (14102, 14875)]