30459940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2243}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 73890432

約数和(自身を除く): 43430492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2243, 2716, 3395, 4486, 6790, 8972, 11215, 13580, 15701, 22430, 31402, 44860, 62804, 78505, 157010, 217571, 314020, 435142, 870284, 1087855, 1522997, 2175710, 3045994, 4351420, 6091988, 7614985, 15229970, 30459940]

約数ペア:

[(1, 30459940), (2, 15229970), (4, 7614985), (5, 6091988), (7, 4351420), (10, 3045994), (14, 2175710), (20, 1522997), (28, 1087855), (35, 870284), (70, 435142), (97, 314020), (140, 217571), (194, 157010), (388, 78505), (485, 62804), (679, 44860), (970, 31402), (1358, 22430), (1940, 15701), (2243, 13580), (2716, 11215), (3395, 8972), (4486, 6790)]