123411990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4723}}^1$

素因数の和:4813

約数の個数: 64

約数和(自身を含む): 323801856

約数和(自身を除く): 200389866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1742, 2010, 2613, 4355, 4723, 5226, 8710, 9446, 13065, 14169, 23615, 26130, 28338, 47230, 61399, 70845, 122798, 141690, 184197, 306995, 316441, 368394, 613990, 632882, 920985, 949323, 1582205, 1841970, 1898646, 3164410, 4113733, 4746615, 8227466, 9493230, 12341199, 20568665, 24682398, 41137330, 61705995, 123411990]

約数ペア:

[(1, 123411990), (2, 61705995), (3, 41137330), (5, 24682398), (6, 20568665), (10, 12341199), (13, 9493230), (15, 8227466), (26, 4746615), (30, 4113733), (39, 3164410), (65, 1898646), (67, 1841970), (78, 1582205), (130, 949323), (134, 920985), (195, 632882), (201, 613990), (335, 368394), (390, 316441), (402, 306995), (670, 184197), (871, 141690), (1005, 122798), (1742, 70845), (2010, 61399), (2613, 47230), (4355, 28338), (4723, 26130), (5226, 23615), (8710, 14169), (9446, 13065)]