489719360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117721}}^1$

素因数の和:117751

約数の個数: 56

約数和(自身を含む): 1255858296

約数和(自身を除く): 766138936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 117721, 235442, 470884, 588605, 941768, 1177210, 1530373, 1883536, 2354420, 3060746, 3767072, 4708840, 6121492, 7534144, 7651865, 9417680, 12242984, 15303730, 18835360, 24485968, 30607460, 37670720, 48971936, 61214920, 97943872, 122429840, 244859680, 489719360]

約数ペア:

[(1, 489719360), (2, 244859680), (4, 122429840), (5, 97943872), (8, 61214920), (10, 48971936), (13, 37670720), (16, 30607460), (20, 24485968), (26, 18835360), (32, 15303730), (40, 12242984), (52, 9417680), (64, 7651865), (65, 7534144), (80, 6121492), (104, 4708840), (130, 3767072), (160, 3060746), (208, 2354420), (260, 1883536), (320, 1530373), (416, 1177210), (520, 941768), (832, 588605), (1040, 470884), (2080, 235442), (4160, 117721)]