17421580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 42096096

約数和(自身を除く): 24674516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 313, 460, 484, 506, 605, 626, 1012, 1210, 1252, 1265, 1565, 2420, 2530, 2783, 3130, 3443, 5060, 5566, 6260, 6886, 7199, 11132, 13772, 13915, 14398, 17215, 27830, 28796, 34430, 35995, 37873, 55660, 68860, 71990, 75746, 79189, 143980, 151492, 158378, 189365, 316756, 378730, 395945, 757460, 791890, 871079, 1583780, 1742158, 3484316, 4355395, 8710790, 17421580]

約数ペア:

[(1, 17421580), (2, 8710790), (4, 4355395), (5, 3484316), (10, 1742158), (11, 1583780), (20, 871079), (22, 791890), (23, 757460), (44, 395945), (46, 378730), (55, 316756), (92, 189365), (110, 158378), (115, 151492), (121, 143980), (220, 79189), (230, 75746), (242, 71990), (253, 68860), (313, 55660), (460, 37873), (484, 35995), (506, 34430), (605, 28796), (626, 27830), (1012, 17215), (1210, 14398), (1252, 13915), (1265, 13772), (1565, 11132), (2420, 7199), (2530, 6886), (2783, 6260), (3130, 5566), (3443, 5060)]