2590702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{303361}}^1$

素因数の和:303438

約数の個数: 48

約数和(自身を含む): 6319637184

約数和(自身を除く): 3728934244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 303361, 606722, 1213444, 1516805, 2123527, 3033610, 4247054, 6067220, 8494108, 10617635, 18505021, 21235270, 37010042, 42470540, 74020084, 92525105, 129535147, 185050210, 259070294, 370100420, 518140588, 647675735, 1295351470, 2590702940]

約数ペア:

[(1, 2590702940), (2, 1295351470), (4, 647675735), (5, 518140588), (7, 370100420), (10, 259070294), (14, 185050210), (20, 129535147), (28, 92525105), (35, 74020084), (61, 42470540), (70, 37010042), (122, 21235270), (140, 18505021), (244, 10617635), (305, 8494108), (427, 6067220), (610, 4247054), (854, 3033610), (1220, 2123527), (1708, 1516805), (2135, 1213444), (4270, 606722), (8540, 303361)]