31938380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 69745536

約数和(自身を除く): 37807156

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 557, 610, 940, 1114, 1220, 2228, 2785, 2867, 5570, 5734, 11140, 11468, 14335, 26179, 28670, 33977, 52358, 57340, 67954, 104716, 130895, 135908, 169885, 261790, 339770, 523580, 679540, 1596919, 3193838, 6387676, 7984595, 15969190, 31938380]

約数ペア:

[(1, 31938380), (2, 15969190), (4, 7984595), (5, 6387676), (10, 3193838), (20, 1596919), (47, 679540), (61, 523580), (94, 339770), (122, 261790), (188, 169885), (235, 135908), (244, 130895), (305, 104716), (470, 67954), (557, 57340), (610, 52358), (940, 33977), (1114, 28670), (1220, 26179), (2228, 14335), (2785, 11468), (2867, 11140), (5570, 5734)]