137894020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3049

約数の個数: 72

約数和(自身を含む): 335160000

約数和(自身を除く): 197265980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 2999, 4180, 4598, 5998, 9196, 11495, 11996, 14995, 22990, 29990, 32989, 45980, 56981, 59980, 65978, 113962, 131956, 164945, 227924, 284905, 329890, 362879, 569810, 626791, 659780, 725758, 1139620, 1253582, 1451516, 1814395, 2507164, 3133955, 3628790, 6267910, 6894701, 7257580, 12535820, 13789402, 27578804, 34473505, 68947010, 137894020]

約数ペア:

[(1, 137894020), (2, 68947010), (4, 34473505), (5, 27578804), (10, 13789402), (11, 12535820), (19, 7257580), (20, 6894701), (22, 6267910), (38, 3628790), (44, 3133955), (55, 2507164), (76, 1814395), (95, 1451516), (110, 1253582), (121, 1139620), (190, 725758), (209, 659780), (220, 626791), (242, 569810), (380, 362879), (418, 329890), (484, 284905), (605, 227924), (836, 164945), (1045, 131956), (1210, 113962), (2090, 65978), (2299, 59980), (2420, 56981), (2999, 45980), (4180, 32989), (4598, 29990), (5998, 22990), (9196, 14995), (11495, 11996)]