42427190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 87998400

約数和(自身を除く): 45571210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 89, 95, 130, 178, 190, 193, 247, 386, 445, 494, 890, 965, 1157, 1235, 1691, 1930, 2314, 2470, 2509, 3382, 3667, 5018, 5785, 7334, 8455, 11570, 12545, 16910, 17177, 18335, 21983, 25090, 34354, 36670, 43966, 47671, 85885, 95342, 109915, 171770, 219830, 223301, 238355, 326363, 446602, 476710, 652726, 1116505, 1631815, 2233010, 3263630, 4242719, 8485438, 21213595, 42427190]

約数ペア:

[(1, 42427190), (2, 21213595), (5, 8485438), (10, 4242719), (13, 3263630), (19, 2233010), (26, 1631815), (38, 1116505), (65, 652726), (89, 476710), (95, 446602), (130, 326363), (178, 238355), (190, 223301), (193, 219830), (247, 171770), (386, 109915), (445, 95342), (494, 85885), (890, 47671), (965, 43966), (1157, 36670), (1235, 34354), (1691, 25090), (1930, 21983), (2314, 18335), (2470, 17177), (2509, 16910), (3382, 12545), (3667, 11570), (5018, 8455), (5785, 7334)]