321161750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:799

約数の個数: 128

約数和(自身を含む): 779950080

約数和(自身を除く): 458788330

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 125, 130, 133, 175, 182, 190, 247, 250, 266, 325, 350, 455, 475, 494, 650, 665, 743, 875, 910, 950, 1235, 1330, 1486, 1625, 1729, 1750, 2275, 2375, 2470, 3250, 3325, 3458, 3715, 4550, 4750, 5201, 6175, 6650, 7430, 8645, 9659, 10402, 11375, 12350, 14117, 16625, 17290, 18575, 19318, 22750, 26005, 28234, 30875, 33250, 37150, 43225, 48295, 52010, 61750, 67613, 70585, 86450, 92875, 96590, 98819, 130025, 135226, 141170, 183521, 185750, 197638, 216125, 241475, 260050, 338065, 352925, 367042, 432250, 482950, 494095, 650125, 676130, 705850, 917605, 988190, 1207375, 1284647, 1300250, 1690325, 1764625, 1835210, 2414750, 2470475, 2569294, 3380650, 3529250, 4588025, 4940950, 6423235, 8451625, 9176050, 12352375, 12846470, 16903250, 22940125, 24704750, 32116175, 45880250, 64232350, 160580875, 321161750]

約数ペア:

[(1, 321161750), (2, 160580875), (5, 64232350), (7, 45880250), (10, 32116175), (13, 24704750), (14, 22940125), (19, 16903250), (25, 12846470), (26, 12352375), (35, 9176050), (38, 8451625), (50, 6423235), (65, 4940950), (70, 4588025), (91, 3529250), (95, 3380650), (125, 2569294), (130, 2470475), (133, 2414750), (175, 1835210), (182, 1764625), (190, 1690325), (247, 1300250), (250, 1284647), (266, 1207375), (325, 988190), (350, 917605), (455, 705850), (475, 676130), (494, 650125), (650, 494095), (665, 482950), (743, 432250), (875, 367042), (910, 352925), (950, 338065), (1235, 260050), (1330, 241475), (1486, 216125), (1625, 197638), (1729, 185750), (1750, 183521), (2275, 141170), (2375, 135226), (2470, 130025), (3250, 98819), (3325, 96590), (3458, 92875), (3715, 86450), (4550, 70585), (4750, 67613), (5201, 61750), (6175, 52010), (6650, 48295), (7430, 43225), (8645, 37150), (9659, 33250), (10402, 30875), (11375, 28234), (12350, 26005), (14117, 22750), (16625, 19318), (17290, 18575)]