199585100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 539402976

約数和(自身を除く): 339817876

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 130, 143, 170, 187, 220, 221, 260, 275, 286, 325, 340, 374, 425, 442, 550, 572, 650, 715, 748, 821, 850, 884, 935, 1100, 1105, 1300, 1430, 1642, 1700, 1870, 2210, 2431, 2860, 3284, 3575, 3740, 4105, 4420, 4675, 4862, 5525, 7150, 8210, 9031, 9350, 9724, 10673, 11050, 12155, 13957, 14300, 16420, 18062, 18700, 20525, 21346, 22100, 24310, 27914, 36124, 41050, 42692, 45155, 48620, 53365, 55828, 60775, 69785, 82100, 90310, 106730, 117403, 121550, 139570, 153527, 180620, 181441, 213460, 225775, 234806, 243100, 266825, 279140, 307054, 348925, 362882, 451550, 469612, 533650, 587015, 614108, 697850, 725764, 767635, 903100, 907205, 1067300, 1174030, 1395700, 1535270, 1814410, 1995851, 2348060, 2935075, 3070540, 3628820, 3838175, 3991702, 4536025, 5870150, 7676350, 7983404, 9072050, 9979255, 11740300, 15352700, 18144100, 19958510, 39917020, 49896275, 99792550, 199585100]

約数ペア:

[(1, 199585100), (2, 99792550), (4, 49896275), (5, 39917020), (10, 19958510), (11, 18144100), (13, 15352700), (17, 11740300), (20, 9979255), (22, 9072050), (25, 7983404), (26, 7676350), (34, 5870150), (44, 4536025), (50, 3991702), (52, 3838175), (55, 3628820), (65, 3070540), (68, 2935075), (85, 2348060), (100, 1995851), (110, 1814410), (130, 1535270), (143, 1395700), (170, 1174030), (187, 1067300), (220, 907205), (221, 903100), (260, 767635), (275, 725764), (286, 697850), (325, 614108), (340, 587015), (374, 533650), (425, 469612), (442, 451550), (550, 362882), (572, 348925), (650, 307054), (715, 279140), (748, 266825), (821, 243100), (850, 234806), (884, 225775), (935, 213460), (1100, 181441), (1105, 180620), (1300, 153527), (1430, 139570), (1642, 121550), (1700, 117403), (1870, 106730), (2210, 90310), (2431, 82100), (2860, 69785), (3284, 60775), (3575, 55828), (3740, 53365), (4105, 48620), (4420, 45155), (4675, 42692), (4862, 41050), (5525, 36124), (7150, 27914), (8210, 24310), (9031, 22100), (9350, 21346), (9724, 20525), (10673, 18700), (11050, 18062), (12155, 16420), (13957, 14300)]