98105080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 231770880

約数和(自身を除く): 133665800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1297, 1891, 2440, 2594, 3782, 5188, 6485, 7564, 9455, 10376, 12970, 15128, 18910, 25940, 37820, 40207, 51880, 75640, 79117, 80414, 158234, 160828, 201035, 316468, 321656, 395585, 402070, 632936, 791170, 804140, 1582340, 1608280, 2452627, 3164680, 4905254, 9810508, 12263135, 19621016, 24526270, 49052540, 98105080]

約数ペア:

[(1, 98105080), (2, 49052540), (4, 24526270), (5, 19621016), (8, 12263135), (10, 9810508), (20, 4905254), (31, 3164680), (40, 2452627), (61, 1608280), (62, 1582340), (122, 804140), (124, 791170), (155, 632936), (244, 402070), (248, 395585), (305, 321656), (310, 316468), (488, 201035), (610, 160828), (620, 158234), (1220, 80414), (1240, 79117), (1297, 75640), (1891, 51880), (2440, 40207), (2594, 37820), (3782, 25940), (5188, 18910), (6485, 15128), (7564, 12970), (9455, 10376)]