90744940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31729}}^1$

素因数の和:31762

約数の個数: 48

約数和(自身を含む): 223886880

約数和(自身を除く): 133141940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 31729, 63458, 126916, 158645, 317290, 349019, 412477, 634580, 698038, 824954, 1396076, 1649908, 1745095, 2062385, 3490190, 4124770, 4537247, 6980380, 8249540, 9074494, 18148988, 22686235, 45372470, 90744940]

約数ペア:

[(1, 90744940), (2, 45372470), (4, 22686235), (5, 18148988), (10, 9074494), (11, 8249540), (13, 6980380), (20, 4537247), (22, 4124770), (26, 3490190), (44, 2062385), (52, 1745095), (55, 1649908), (65, 1396076), (110, 824954), (130, 698038), (143, 634580), (220, 412477), (260, 349019), (286, 317290), (572, 158645), (715, 126916), (1430, 63458), (2860, 31729)]