387657380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{8431}}^1$

素因数の和:8481

約数の個数: 72

約数和(自身を含む): 942023040

約数和(自身を除く): 554365660

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, 4180, 4598, 8431, 9196, 11495, 16862, 22990, 33724, 42155, 45980, 84310, 92741, 160189, 168620, 185482, 320378, 370964, 463705, 640756, 800945, 927410, 1020151, 1601890, 1762079, 1854820, 2040302, 3203780, 3524158, 4080604, 5100755, 7048316, 8810395, 10201510, 17620790, 19382869, 20403020, 35241580, 38765738, 77531476, 96914345, 193828690, 387657380]

約数ペア:

[(1, 387657380), (2, 193828690), (4, 96914345), (5, 77531476), (10, 38765738), (11, 35241580), (19, 20403020), (20, 19382869), (22, 17620790), (38, 10201510), (44, 8810395), (55, 7048316), (76, 5100755), (95, 4080604), (110, 3524158), (121, 3203780), (190, 2040302), (209, 1854820), (220, 1762079), (242, 1601890), (380, 1020151), (418, 927410), (484, 800945), (605, 640756), (836, 463705), (1045, 370964), (1210, 320378), (2090, 185482), (2299, 168620), (2420, 160189), (4180, 92741), (4598, 84310), (8431, 45980), (9196, 42155), (11495, 33724), (16862, 22990)]