205187450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 449971200

約数和(自身を除く): 244783750

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 155, 170, 221, 310, 325, 403, 425, 442, 527, 599, 650, 775, 806, 850, 1054, 1105, 1198, 1550, 2015, 2210, 2635, 2995, 4030, 5270, 5525, 5990, 6851, 7787, 10075, 10183, 11050, 13175, 13702, 14975, 15574, 18569, 20150, 20366, 26350, 29950, 34255, 37138, 38935, 50915, 68510, 77870, 92845, 101830, 132379, 171275, 185690, 194675, 241397, 254575, 264758, 315673, 342550, 389350, 464225, 482794, 509150, 631346, 661895, 928450, 1206985, 1323790, 1578365, 2413970, 3156730, 3309475, 4103749, 6034925, 6618950, 7891825, 8207498, 12069850, 15783650, 20518745, 41037490, 102593725, 205187450]

約数ペア:

[(1, 205187450), (2, 102593725), (5, 41037490), (10, 20518745), (13, 15783650), (17, 12069850), (25, 8207498), (26, 7891825), (31, 6618950), (34, 6034925), (50, 4103749), (62, 3309475), (65, 3156730), (85, 2413970), (130, 1578365), (155, 1323790), (170, 1206985), (221, 928450), (310, 661895), (325, 631346), (403, 509150), (425, 482794), (442, 464225), (527, 389350), (599, 342550), (650, 315673), (775, 264758), (806, 254575), (850, 241397), (1054, 194675), (1105, 185690), (1198, 171275), (1550, 132379), (2015, 101830), (2210, 92845), (2635, 77870), (2995, 68510), (4030, 50915), (5270, 38935), (5525, 37138), (5990, 34255), (6851, 29950), (7787, 26350), (10075, 20366), (10183, 20150), (11050, 18569), (13175, 15574), (13702, 14975)]