203882008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2096

約数の個数: 64

約数和(自身を含む): 446400000

約数和(自身を除く): 242517992

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 61, 76, 88, 122, 152, 209, 244, 418, 488, 671, 836, 1159, 1342, 1672, 1999, 2318, 2684, 3998, 4636, 5368, 7996, 9272, 12749, 15992, 21989, 25498, 37981, 43978, 50996, 75962, 87956, 101992, 121939, 151924, 175912, 243878, 303848, 417791, 487756, 835582, 975512, 1341329, 1671164, 2316841, 2682658, 3342328, 4633682, 5365316, 9267364, 10730632, 18534728, 25485251, 50970502, 101941004, 203882008]

約数ペア:

[(1, 203882008), (2, 101941004), (4, 50970502), (8, 25485251), (11, 18534728), (19, 10730632), (22, 9267364), (38, 5365316), (44, 4633682), (61, 3342328), (76, 2682658), (88, 2316841), (122, 1671164), (152, 1341329), (209, 975512), (244, 835582), (418, 487756), (488, 417791), (671, 303848), (836, 243878), (1159, 175912), (1342, 151924), (1672, 121939), (1999, 101992), (2318, 87956), (2684, 75962), (3998, 50996), (4636, 43978), (5368, 37981), (7996, 25498), (9272, 21989), (12749, 15992)]