30186820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 69320664

約数和(自身を除く): 39133844

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 113, 148, 185, 190, 226, 361, 370, 380, 452, 565, 703, 722, 740, 1130, 1406, 1444, 1805, 2147, 2260, 2812, 3515, 3610, 4181, 4294, 7030, 7220, 8362, 8588, 10735, 13357, 14060, 16724, 20905, 21470, 26714, 40793, 41810, 42940, 53428, 66785, 79439, 81586, 83620, 133570, 158878, 163172, 203965, 267140, 317756, 397195, 407930, 794390, 815860, 1509341, 1588780, 3018682, 6037364, 7546705, 15093410, 30186820]

約数ペア:

[(1, 30186820), (2, 15093410), (4, 7546705), (5, 6037364), (10, 3018682), (19, 1588780), (20, 1509341), (37, 815860), (38, 794390), (74, 407930), (76, 397195), (95, 317756), (113, 267140), (148, 203965), (185, 163172), (190, 158878), (226, 133570), (361, 83620), (370, 81586), (380, 79439), (452, 66785), (565, 53428), (703, 42940), (722, 41810), (740, 40793), (1130, 26714), (1406, 21470), (1444, 20905), (1805, 16724), (2147, 14060), (2260, 13357), (2812, 10735), (3515, 8588), (3610, 8362), (4181, 7220), (4294, 7030)]