240189940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 559276704

約数和(自身を除く): 319086764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 61, 68, 74, 85, 122, 148, 170, 185, 244, 305, 313, 340, 370, 610, 626, 629, 740, 1037, 1220, 1252, 1258, 1565, 2074, 2257, 2516, 3130, 3145, 4148, 4514, 5185, 5321, 6260, 6290, 9028, 10370, 10642, 11285, 11581, 12580, 19093, 20740, 21284, 22570, 23162, 26605, 38186, 38369, 45140, 46324, 53210, 57905, 76372, 76738, 95465, 106420, 115810, 153476, 190930, 191845, 196877, 231620, 324581, 381860, 383690, 393754, 649162, 706441, 767380, 787508, 984385, 1298324, 1412882, 1622905, 1968770, 2825764, 3245810, 3532205, 3937540, 6491620, 7064410, 12009497, 14128820, 24018994, 48037988, 60047485, 120094970, 240189940]

約数ペア:

[(1, 240189940), (2, 120094970), (4, 60047485), (5, 48037988), (10, 24018994), (17, 14128820), (20, 12009497), (34, 7064410), (37, 6491620), (61, 3937540), (68, 3532205), (74, 3245810), (85, 2825764), (122, 1968770), (148, 1622905), (170, 1412882), (185, 1298324), (244, 984385), (305, 787508), (313, 767380), (340, 706441), (370, 649162), (610, 393754), (626, 383690), (629, 381860), (740, 324581), (1037, 231620), (1220, 196877), (1252, 191845), (1258, 190930), (1565, 153476), (2074, 115810), (2257, 106420), (2516, 95465), (3130, 76738), (3145, 76372), (4148, 57905), (4514, 53210), (5185, 46324), (5321, 45140), (6260, 38369), (6290, 38186), (9028, 26605), (10370, 23162), (10642, 22570), (11285, 21284), (11581, 20740), (12580, 19093)]