4418980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 10097136

約数和(自身を除く): 5678156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 317, 340, 410, 634, 697, 820, 1268, 1394, 1585, 2788, 3170, 3485, 5389, 6340, 6970, 10778, 12997, 13940, 21556, 25994, 26945, 51988, 53890, 64985, 107780, 129970, 220949, 259940, 441898, 883796, 1104745, 2209490, 4418980]

約数ペア:

[(1, 4418980), (2, 2209490), (4, 1104745), (5, 883796), (10, 441898), (17, 259940), (20, 220949), (34, 129970), (41, 107780), (68, 64985), (82, 53890), (85, 51988), (164, 26945), (170, 25994), (205, 21556), (317, 13940), (340, 12997), (410, 10778), (634, 6970), (697, 6340), (820, 5389), (1268, 3485), (1394, 3170), (1585, 2788)]