199469840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{146669}}^1$

素因数の和:146699

約数の個数: 40

約数和(自身を含む): 491051160

約数和(自身を除く): 291581320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 146669, 293338, 586676, 733345, 1173352, 1466690, 2346704, 2493373, 2933380, 4986746, 5866760, 9973492, 11733520, 12466865, 19946984, 24933730, 39893968, 49867460, 99734920, 199469840]

約数ペア:

[(1, 199469840), (2, 99734920), (4, 49867460), (5, 39893968), (8, 24933730), (10, 19946984), (16, 12466865), (17, 11733520), (20, 9973492), (34, 5866760), (40, 4986746), (68, 2933380), (80, 2493373), (85, 2346704), (136, 1466690), (170, 1173352), (272, 733345), (340, 586676), (680, 293338), (1360, 146669)]