202453940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{977}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 458901072

約数和(自身を除く): 256447132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 797, 977, 1594, 1954, 3188, 3908, 3985, 4885, 7970, 9770, 10361, 12701, 15940, 19540, 20722, 25402, 41444, 50804, 51805, 63505, 103610, 127010, 207220, 254020, 778669, 1557338, 3114676, 3893345, 7786690, 10122697, 15573380, 20245394, 40490788, 50613485, 101226970, 202453940]

約数ペア:

[(1, 202453940), (2, 101226970), (4, 50613485), (5, 40490788), (10, 20245394), (13, 15573380), (20, 10122697), (26, 7786690), (52, 3893345), (65, 3114676), (130, 1557338), (260, 778669), (797, 254020), (977, 207220), (1594, 127010), (1954, 103610), (3188, 63505), (3908, 51805), (3985, 50804), (4885, 41444), (7970, 25402), (9770, 20722), (10361, 19540), (12701, 15940)]