237770620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 525495600

約数和(自身を除く): 287724980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 139, 155, 178, 278, 310, 356, 445, 556, 620, 695, 890, 961, 1390, 1780, 1922, 2759, 2780, 3844, 4309, 4805, 5518, 8618, 9610, 11036, 12371, 13795, 17236, 19220, 21545, 24742, 27590, 43090, 49484, 55180, 61855, 85529, 86180, 123710, 133579, 171058, 247420, 267158, 342116, 383501, 427645, 534316, 667895, 767002, 855290, 1335790, 1534004, 1710580, 1917505, 2671580, 3835010, 7670020, 11888531, 23777062, 47554124, 59442655, 118885310, 237770620]

約数ペア:

[(1, 237770620), (2, 118885310), (4, 59442655), (5, 47554124), (10, 23777062), (20, 11888531), (31, 7670020), (62, 3835010), (89, 2671580), (124, 1917505), (139, 1710580), (155, 1534004), (178, 1335790), (278, 855290), (310, 767002), (356, 667895), (445, 534316), (556, 427645), (620, 383501), (695, 342116), (890, 267158), (961, 247420), (1390, 171058), (1780, 133579), (1922, 123710), (2759, 86180), (2780, 85529), (3844, 61855), (4309, 55180), (4805, 49484), (5518, 43090), (8618, 27590), (9610, 24742), (11036, 21545), (12371, 19220), (13795, 17236)]