278382820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{22129}}^1$

素因数の和:22192

約数の個数: 48

約数和(自身を含む): 635750640

約数和(自身を除く): 357367820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 22129, 44258, 88516, 110645, 221290, 376193, 442580, 752386, 818773, 1504772, 1637546, 1880965, 3275092, 3761930, 4093865, 7523860, 8187730, 13919141, 16375460, 27838282, 55676564, 69595705, 139191410, 278382820]

約数ペア:

[(1, 278382820), (2, 139191410), (4, 69595705), (5, 55676564), (10, 27838282), (17, 16375460), (20, 13919141), (34, 8187730), (37, 7523860), (68, 4093865), (74, 3761930), (85, 3275092), (148, 1880965), (170, 1637546), (185, 1504772), (340, 818773), (370, 752386), (629, 442580), (740, 376193), (1258, 221290), (2516, 110645), (3145, 88516), (6290, 44258), (12580, 22129)]