201789850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 389903616

約数和(自身を除く): 188113766

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 211, 310, 422, 617, 775, 1055, 1234, 1550, 2110, 3085, 5275, 6170, 6541, 10550, 13082, 15425, 19127, 30850, 32705, 38254, 65410, 95635, 130187, 163525, 191270, 260374, 327050, 478175, 650935, 956350, 1301870, 3254675, 4035797, 6509350, 8071594, 20178985, 40357970, 100894925, 201789850]

約数ペア:

[(1, 201789850), (2, 100894925), (5, 40357970), (10, 20178985), (25, 8071594), (31, 6509350), (50, 4035797), (62, 3254675), (155, 1301870), (211, 956350), (310, 650935), (422, 478175), (617, 327050), (775, 260374), (1055, 191270), (1234, 163525), (1550, 130187), (2110, 95635), (3085, 65410), (5275, 38254), (6170, 32705), (6541, 30850), (10550, 19127), (13082, 15425)]