20121015250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1319}}^1$

素因数の和:1745

約数の個数: 128

約数和(自身を含む): 45071769600

約数和(自身を除く): 24950754350

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 379, 575, 758, 805, 875, 1150, 1319, 1610, 1750, 1895, 2638, 2653, 2875, 3790, 4025, 5306, 5750, 6595, 8050, 8717, 9233, 9475, 13190, 13265, 17434, 18466, 18950, 20125, 26530, 30337, 32975, 40250, 43585, 46165, 47375, 60674, 61019, 65950, 66325, 87170, 92330, 94750, 122038, 132650, 151685, 164875, 212359, 217925, 230825, 303370, 305095, 329750, 331625, 424718, 435850, 461650, 499901, 610190, 663250, 758425, 999802, 1061795, 1089625, 1154125, 1516850, 1525475, 2123590, 2179250, 2308250, 2499505, 3050950, 3499307, 3792125, 4999010, 5308975, 6998614, 7584250, 7627375, 10617950, 11497723, 12497525, 15254750, 17496535, 22995446, 24995050, 26544875, 34993070, 53089750, 57488615, 62487625, 80484061, 87482675, 114977230, 124975250, 160968122, 174965350, 287443075, 402420305, 437413375, 574886150, 804840610, 874826750, 1437215375, 2012101525, 2874430750, 4024203050, 10060507625, 20121015250]

約数ペア:

[(1, 20121015250), (2, 10060507625), (5, 4024203050), (7, 2874430750), (10, 2012101525), (14, 1437215375), (23, 874826750), (25, 804840610), (35, 574886150), (46, 437413375), (50, 402420305), (70, 287443075), (115, 174965350), (125, 160968122), (161, 124975250), (175, 114977230), (230, 87482675), (250, 80484061), (322, 62487625), (350, 57488615), (379, 53089750), (575, 34993070), (758, 26544875), (805, 24995050), (875, 22995446), (1150, 17496535), (1319, 15254750), (1610, 12497525), (1750, 11497723), (1895, 10617950), (2638, 7627375), (2653, 7584250), (2875, 6998614), (3790, 5308975), (4025, 4999010), (5306, 3792125), (5750, 3499307), (6595, 3050950), (8050, 2499505), (8717, 2308250), (9233, 2179250), (9475, 2123590), (13190, 1525475), (13265, 1516850), (17434, 1154125), (18466, 1089625), (18950, 1061795), (20125, 999802), (26530, 758425), (30337, 663250), (32975, 610190), (40250, 499901), (43585, 461650), (46165, 435850), (47375, 424718), (60674, 331625), (61019, 329750), (65950, 305095), (66325, 303370), (87170, 230825), (92330, 217925), (94750, 212359), (122038, 164875), (132650, 151685)]