615319900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{941}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 1442345184

約数和(自身を除く): 827025284

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 503, 650, 941, 1006, 1300, 1882, 2012, 2515, 3764, 4705, 5030, 6539, 9410, 10060, 12233, 12575, 13078, 18820, 23525, 24466, 25150, 26156, 32695, 47050, 48932, 50300, 61165, 65390, 94100, 122330, 130780, 163475, 244660, 305825, 326950, 473323, 611650, 653900, 946646, 1223300, 1893292, 2366615, 4733230, 6153199, 9466460, 11833075, 12306398, 23666150, 24612796, 30765995, 47332300, 61531990, 123063980, 153829975, 307659950, 615319900]

約数ペア:

[(1, 615319900), (2, 307659950), (4, 153829975), (5, 123063980), (10, 61531990), (13, 47332300), (20, 30765995), (25, 24612796), (26, 23666150), (50, 12306398), (52, 11833075), (65, 9466460), (100, 6153199), (130, 4733230), (260, 2366615), (325, 1893292), (503, 1223300), (650, 946646), (941, 653900), (1006, 611650), (1300, 473323), (1882, 326950), (2012, 305825), (2515, 244660), (3764, 163475), (4705, 130780), (5030, 122330), (6539, 94100), (9410, 65390), (10060, 61165), (12233, 50300), (12575, 48932), (13078, 47050), (18820, 32695), (23525, 26156), (24466, 25150)]