145754780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 313740000

約数和(自身を除く): 167985220

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 236, 295, 298, 590, 596, 745, 829, 1180, 1490, 1658, 2980, 3316, 4145, 8290, 8791, 16580, 17582, 35164, 43955, 48911, 87910, 97822, 123521, 175820, 195644, 244555, 247042, 489110, 494084, 617605, 978220, 1235210, 2470420, 7287739, 14575478, 29150956, 36438695, 72877390, 145754780]

約数ペア:

[(1, 145754780), (2, 72877390), (4, 36438695), (5, 29150956), (10, 14575478), (20, 7287739), (59, 2470420), (118, 1235210), (149, 978220), (236, 617605), (295, 494084), (298, 489110), (590, 247042), (596, 244555), (745, 195644), (829, 175820), (1180, 123521), (1490, 97822), (1658, 87910), (2980, 48911), (3316, 43955), (4145, 35164), (8290, 17582), (8791, 16580)]