140107900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 328850480

約数和(自身を除く): 188742580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 925, 950, 1406, 1850, 1900, 1993, 2812, 3515, 3700, 3986, 7030, 7972, 9965, 14060, 17575, 19930, 35150, 37867, 39860, 49825, 70300, 73741, 75734, 99650, 147482, 151468, 189335, 199300, 294964, 368705, 378670, 737410, 757340, 946675, 1401079, 1474820, 1843525, 1893350, 2802158, 3687050, 3786700, 5604316, 7005395, 7374100, 14010790, 28021580, 35026975, 70053950, 140107900]

約数ペア:

[(1, 140107900), (2, 70053950), (4, 35026975), (5, 28021580), (10, 14010790), (19, 7374100), (20, 7005395), (25, 5604316), (37, 3786700), (38, 3687050), (50, 2802158), (74, 1893350), (76, 1843525), (95, 1474820), (100, 1401079), (148, 946675), (185, 757340), (190, 737410), (370, 378670), (380, 368705), (475, 294964), (703, 199300), (740, 189335), (925, 151468), (950, 147482), (1406, 99650), (1850, 75734), (1900, 73741), (1993, 70300), (2812, 49825), (3515, 39860), (3700, 37867), (3986, 35150), (7030, 19930), (7972, 17575), (9965, 14060)]