83255240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 192510000

約数和(自身を除く): 109254760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 229, 244, 298, 305, 458, 488, 596, 610, 745, 916, 1145, 1192, 1220, 1490, 1832, 2290, 2440, 2980, 4580, 5960, 9089, 9160, 13969, 18178, 27938, 34121, 36356, 45445, 55876, 68242, 69845, 72712, 90890, 111752, 136484, 139690, 170605, 181780, 272968, 279380, 341210, 363560, 558760, 682420, 1364840, 2081381, 4162762, 8325524, 10406905, 16651048, 20813810, 41627620, 83255240]

約数ペア:

[(1, 83255240), (2, 41627620), (4, 20813810), (5, 16651048), (8, 10406905), (10, 8325524), (20, 4162762), (40, 2081381), (61, 1364840), (122, 682420), (149, 558760), (229, 363560), (244, 341210), (298, 279380), (305, 272968), (458, 181780), (488, 170605), (596, 139690), (610, 136484), (745, 111752), (916, 90890), (1145, 72712), (1192, 69845), (1220, 68242), (1490, 55876), (1832, 45445), (2290, 36356), (2440, 34121), (2980, 27938), (4580, 18178), (5960, 13969), (9089, 9160)]