253446890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 510105600

約数和(自身を除く): 256658710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 59, 95, 115, 118, 190, 230, 295, 437, 590, 874, 983, 1121, 1357, 1966, 2185, 2242, 2714, 4370, 4915, 5605, 6785, 9830, 11210, 13570, 18677, 22609, 25783, 37354, 45218, 51566, 57997, 93385, 113045, 115994, 128915, 186770, 226090, 257830, 289985, 429571, 579970, 859142, 1101943, 1333931, 2147855, 2203886, 2667862, 4295710, 5509715, 6669655, 11019430, 13339310, 25344689, 50689378, 126723445, 253446890]

約数ペア:

[(1, 253446890), (2, 126723445), (5, 50689378), (10, 25344689), (19, 13339310), (23, 11019430), (38, 6669655), (46, 5509715), (59, 4295710), (95, 2667862), (115, 2203886), (118, 2147855), (190, 1333931), (230, 1101943), (295, 859142), (437, 579970), (590, 429571), (874, 289985), (983, 257830), (1121, 226090), (1357, 186770), (1966, 128915), (2185, 115994), (2242, 113045), (2714, 93385), (4370, 57997), (4915, 51566), (5605, 45218), (6785, 37354), (9830, 25783), (11210, 22609), (13570, 18677)]