30957500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 81348960

約数和(自身を除く): 50391460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 61, 70, 100, 116, 122, 125, 140, 145, 175, 203, 244, 250, 290, 305, 350, 406, 427, 500, 580, 610, 625, 700, 725, 812, 854, 875, 1015, 1220, 1250, 1450, 1525, 1708, 1750, 1769, 2030, 2135, 2500, 2900, 3050, 3500, 3538, 3625, 4060, 4270, 4375, 5075, 6100, 7076, 7250, 7625, 8540, 8750, 8845, 10150, 10675, 12383, 14500, 15250, 17500, 17690, 18125, 20300, 21350, 24766, 25375, 30500, 35380, 36250, 38125, 42700, 44225, 49532, 50750, 53375, 61915, 72500, 76250, 88450, 101500, 106750, 123830, 126875, 152500, 176900, 213500, 221125, 247660, 253750, 266875, 309575, 442250, 507500, 533750, 619150, 884500, 1067500, 1105625, 1238300, 1547875, 2211250, 3095750, 4422500, 6191500, 7739375, 15478750, 30957500]

約数ペア:

[(1, 30957500), (2, 15478750), (4, 7739375), (5, 6191500), (7, 4422500), (10, 3095750), (14, 2211250), (20, 1547875), (25, 1238300), (28, 1105625), (29, 1067500), (35, 884500), (50, 619150), (58, 533750), (61, 507500), (70, 442250), (100, 309575), (116, 266875), (122, 253750), (125, 247660), (140, 221125), (145, 213500), (175, 176900), (203, 152500), (244, 126875), (250, 123830), (290, 106750), (305, 101500), (350, 88450), (406, 76250), (427, 72500), (500, 61915), (580, 53375), (610, 50750), (625, 49532), (700, 44225), (725, 42700), (812, 38125), (854, 36250), (875, 35380), (1015, 30500), (1220, 25375), (1250, 24766), (1450, 21350), (1525, 20300), (1708, 18125), (1750, 17690), (1769, 17500), (2030, 15250), (2135, 14500), (2500, 12383), (2900, 10675), (3050, 10150), (3500, 8845), (3538, 8750), (3625, 8540), (4060, 7625), (4270, 7250), (4375, 7076), (5075, 6100)]