79380370820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 174863837568

約数和(自身を除く): 95483466748

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 151, 163, 188, 235, 292, 302, 326, 365, 470, 604, 652, 730, 755, 815, 940, 1460, 1510, 1630, 2209, 3020, 3260, 3431, 4418, 6862, 7097, 7661, 8836, 11023, 11045, 11899, 13724, 14194, 15322, 17155, 22046, 22090, 23798, 24613, 28388, 30644, 34310, 35485, 38305, 44092, 44180, 47596, 49226, 55115, 59495, 68620, 70970, 76610, 98452, 110230, 118990, 123065, 141940, 153220, 161257, 220460, 237980, 246130, 322514, 333559, 360067, 492260, 518081, 559253, 645028, 667118, 720134, 806285, 1036162, 1118506, 1156811, 1334236, 1440268, 1612570, 1667795, 1796749, 1800335, 2072324, 2237012, 2313622, 2590405, 2796265, 3225140, 3335590, 3593498, 3600670, 4627244, 5180810, 5592530, 5784055, 6671180, 7186996, 7201340, 8983745, 10361620, 11185060, 11568110, 17967490, 23136220, 24349807, 26284891, 35934980, 48699614, 52569782, 54370117, 84447203, 97399228, 105139564, 108740234, 121749035, 131424455, 168894406, 217480468, 243498070, 262848910, 271850585, 337788812, 422236015, 486996140, 525697820, 543701170, 844472030, 1087402340, 1688944060, 3969018541, 7938037082, 15876074164, 19845092705, 39690185410, 79380370820]

約数ペア:

[(1, 79380370820), (2, 39690185410), (4, 19845092705), (5, 15876074164), (10, 7938037082), (20, 3969018541), (47, 1688944060), (73, 1087402340), (94, 844472030), (146, 543701170), (151, 525697820), (163, 486996140), (188, 422236015), (235, 337788812), (292, 271850585), (302, 262848910), (326, 243498070), (365, 217480468), (470, 168894406), (604, 131424455), (652, 121749035), (730, 108740234), (755, 105139564), (815, 97399228), (940, 84447203), (1460, 54370117), (1510, 52569782), (1630, 48699614), (2209, 35934980), (3020, 26284891), (3260, 24349807), (3431, 23136220), (4418, 17967490), (6862, 11568110), (7097, 11185060), (7661, 10361620), (8836, 8983745), (11023, 7201340), (11045, 7186996), (11899, 6671180), (13724, 5784055), (14194, 5592530), (15322, 5180810), (17155, 4627244), (22046, 3600670), (22090, 3593498), (23798, 3335590), (24613, 3225140), (28388, 2796265), (30644, 2590405), (34310, 2313622), (35485, 2237012), (38305, 2072324), (44092, 1800335), (44180, 1796749), (47596, 1667795), (49226, 1612570), (55115, 1440268), (59495, 1334236), (68620, 1156811), (70970, 1118506), (76610, 1036162), (98452, 806285), (110230, 720134), (118990, 667118), (123065, 645028), (141940, 559253), (153220, 518081), (161257, 492260), (220460, 360067), (237980, 333559), (246130, 322514)]