9812940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4042

約数の個数: 48

約数和(自身を含む): 28153440

約数和(自身を除く): 18340500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 3989, 7978, 11967, 15956, 19945, 23934, 39890, 47868, 59835, 79780, 119670, 163549, 239340, 327098, 490647, 654196, 817745, 981294, 1635490, 1962588, 2453235, 3270980, 4906470, 9812940]

約数ペア:

[(1, 9812940), (2, 4906470), (3, 3270980), (4, 2453235), (5, 1962588), (6, 1635490), (10, 981294), (12, 817745), (15, 654196), (20, 490647), (30, 327098), (41, 239340), (60, 163549), (82, 119670), (123, 79780), (164, 59835), (205, 47868), (246, 39890), (410, 23934), (492, 19945), (615, 15956), (820, 11967), (1230, 7978), (2460, 3989)]