20180389250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{6257}}^1$

素因数の和:6397

約数の個数: 128

約数和(自身を含む): 45922705920

約数和(自身を除く): 25742316670

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 97, 125, 133, 175, 190, 194, 250, 266, 350, 475, 485, 665, 679, 875, 950, 970, 1330, 1358, 1750, 1843, 2375, 2425, 3325, 3395, 3686, 4750, 4850, 6257, 6650, 6790, 9215, 12125, 12514, 12901, 16625, 16975, 18430, 24250, 25802, 31285, 33250, 33950, 43799, 46075, 62570, 64505, 84875, 87598, 92150, 118883, 129010, 156425, 169750, 218995, 230375, 237766, 312850, 322525, 437990, 460750, 594415, 606929, 645050, 782125, 832181, 1094975, 1188830, 1213858, 1564250, 1612625, 1664362, 2189950, 2972075, 3034645, 3225250, 4160905, 4248503, 5474875, 5944150, 6069290, 8321810, 8497006, 10949750, 11531651, 14860375, 15173225, 20804525, 21242515, 23063302, 29720750, 30346450, 41609050, 42485030, 57658255, 75866125, 80721557, 104022625, 106212575, 115316510, 151732250, 161443114, 208045250, 212425150, 288291275, 403607785, 531062875, 576582550, 807215570, 1062125750, 1441456375, 2018038925, 2882912750, 4036077850, 10090194625, 20180389250]

約数ペア:

[(1, 20180389250), (2, 10090194625), (5, 4036077850), (7, 2882912750), (10, 2018038925), (14, 1441456375), (19, 1062125750), (25, 807215570), (35, 576582550), (38, 531062875), (50, 403607785), (70, 288291275), (95, 212425150), (97, 208045250), (125, 161443114), (133, 151732250), (175, 115316510), (190, 106212575), (194, 104022625), (250, 80721557), (266, 75866125), (350, 57658255), (475, 42485030), (485, 41609050), (665, 30346450), (679, 29720750), (875, 23063302), (950, 21242515), (970, 20804525), (1330, 15173225), (1358, 14860375), (1750, 11531651), (1843, 10949750), (2375, 8497006), (2425, 8321810), (3325, 6069290), (3395, 5944150), (3686, 5474875), (4750, 4248503), (4850, 4160905), (6257, 3225250), (6650, 3034645), (6790, 2972075), (9215, 2189950), (12125, 1664362), (12514, 1612625), (12901, 1564250), (16625, 1213858), (16975, 1188830), (18430, 1094975), (24250, 832181), (25802, 782125), (31285, 645050), (33250, 606929), (33950, 594415), (43799, 460750), (46075, 437990), (62570, 322525), (64505, 312850), (84875, 237766), (87598, 230375), (92150, 218995), (118883, 169750), (129010, 156425)]