858755540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 1980720000

約数和(自身を除く): 1121964460

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 149, 190, 290, 298, 380, 523, 551, 580, 596, 745, 1046, 1102, 1490, 2092, 2204, 2615, 2755, 2831, 2980, 4321, 5230, 5510, 5662, 8642, 9937, 10460, 11020, 11324, 14155, 15167, 17284, 19874, 21605, 28310, 30334, 39748, 43210, 49685, 56620, 60668, 75835, 77927, 82099, 86420, 99370, 151670, 155854, 164198, 198740, 288173, 303340, 311708, 328396, 389635, 410495, 576346, 779270, 820990, 1152692, 1440865, 1480613, 1558540, 1641980, 2259883, 2881730, 2961226, 4519766, 5763460, 5922452, 7403065, 9039532, 11299415, 14806130, 22598830, 29612260, 42937777, 45197660, 85875554, 171751108, 214688885, 429377770, 858755540]

約数ペア:

[(1, 858755540), (2, 429377770), (4, 214688885), (5, 171751108), (10, 85875554), (19, 45197660), (20, 42937777), (29, 29612260), (38, 22598830), (58, 14806130), (76, 11299415), (95, 9039532), (116, 7403065), (145, 5922452), (149, 5763460), (190, 4519766), (290, 2961226), (298, 2881730), (380, 2259883), (523, 1641980), (551, 1558540), (580, 1480613), (596, 1440865), (745, 1152692), (1046, 820990), (1102, 779270), (1490, 576346), (2092, 410495), (2204, 389635), (2615, 328396), (2755, 311708), (2831, 303340), (2980, 288173), (4321, 198740), (5230, 164198), (5510, 155854), (5662, 151670), (8642, 99370), (9937, 86420), (10460, 82099), (11020, 77927), (11324, 75835), (14155, 60668), (15167, 56620), (17284, 49685), (19874, 43210), (21605, 39748), (28310, 30334)]