123305888

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 248812200

約数和(自身を除く): 125506312

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 181, 244, 349, 362, 488, 698, 724, 976, 1396, 1448, 1952, 2792, 2896, 5584, 5792, 11041, 11168, 21289, 22082, 42578, 44164, 63169, 85156, 88328, 126338, 170312, 176656, 252676, 340624, 353312, 505352, 681248, 1010704, 2021408, 3853309, 7706618, 15413236, 30826472, 61652944, 123305888]

約数ペア:

[(1, 123305888), (2, 61652944), (4, 30826472), (8, 15413236), (16, 7706618), (32, 3853309), (61, 2021408), (122, 1010704), (181, 681248), (244, 505352), (349, 353312), (362, 340624), (488, 252676), (698, 176656), (724, 170312), (976, 126338), (1396, 88328), (1448, 85156), (1952, 63169), (2792, 44164), (2896, 42578), (5584, 22082), (5792, 21289), (11041, 11168)]