404647960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5531}}^1$

素因数の和:5632

約数の個数: 64

約数和(自身を含む): 955929600

約数和(自身を除く): 551281640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1180, 1240, 1829, 2360, 3658, 5531, 7316, 9145, 11062, 14632, 18290, 22124, 27655, 36580, 44248, 55310, 73160, 110620, 171461, 221240, 326329, 342922, 652658, 685844, 857305, 1305316, 1371688, 1631645, 1714610, 2610632, 3263290, 3429220, 6526580, 6858440, 10116199, 13053160, 20232398, 40464796, 50580995, 80929592, 101161990, 202323980, 404647960]

約数ペア:

[(1, 404647960), (2, 202323980), (4, 101161990), (5, 80929592), (8, 50580995), (10, 40464796), (20, 20232398), (31, 13053160), (40, 10116199), (59, 6858440), (62, 6526580), (118, 3429220), (124, 3263290), (155, 2610632), (236, 1714610), (248, 1631645), (295, 1371688), (310, 1305316), (472, 857305), (590, 685844), (620, 652658), (1180, 342922), (1240, 326329), (1829, 221240), (2360, 171461), (3658, 110620), (5531, 73160), (7316, 55310), (9145, 44248), (11062, 36580), (14632, 27655), (18290, 22124)]