31289860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13147}}^1$

素因数の和:13180

約数の個数: 48

約数和(自身を含む): 79519104

約数和(自身を除く): 48229244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 13147, 26294, 52588, 65735, 92029, 131470, 184058, 223499, 262940, 368116, 446998, 460145, 893996, 920290, 1117495, 1564493, 1840580, 2234990, 3128986, 4469980, 6257972, 7822465, 15644930, 31289860]

約数ペア:

[(1, 31289860), (2, 15644930), (4, 7822465), (5, 6257972), (7, 4469980), (10, 3128986), (14, 2234990), (17, 1840580), (20, 1564493), (28, 1117495), (34, 920290), (35, 893996), (68, 460145), (70, 446998), (85, 368116), (119, 262940), (140, 223499), (170, 184058), (238, 131470), (340, 92029), (476, 65735), (595, 52588), (1190, 26294), (2380, 13147)]