17903720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 43215120

約数和(自身を除く): 25311400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 233, 340, 452, 466, 565, 680, 904, 932, 1130, 1165, 1864, 1921, 2260, 2330, 3842, 3961, 4520, 4660, 7684, 7922, 9320, 9605, 15368, 15844, 19210, 19805, 26329, 31688, 38420, 39610, 52658, 76840, 79220, 105316, 131645, 158440, 210632, 263290, 447593, 526580, 895186, 1053160, 1790372, 2237965, 3580744, 4475930, 8951860, 17903720]

約数ペア:

[(1, 17903720), (2, 8951860), (4, 4475930), (5, 3580744), (8, 2237965), (10, 1790372), (17, 1053160), (20, 895186), (34, 526580), (40, 447593), (68, 263290), (85, 210632), (113, 158440), (136, 131645), (170, 105316), (226, 79220), (233, 76840), (340, 52658), (452, 39610), (466, 38420), (565, 31688), (680, 26329), (904, 19805), (932, 19210), (1130, 15844), (1165, 15368), (1864, 9605), (1921, 9320), (2260, 7922), (2330, 7684), (3842, 4660), (3961, 4520)]