289291720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22391}}^1$

素因数の和:22438

約数の個数: 64

約数和(自身を含む): 725500800

約数和(自身を除く): 436209080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 22391, 44782, 89564, 111955, 179128, 223910, 380647, 425429, 447820, 761294, 850858, 895640, 1522588, 1701716, 1903235, 2127145, 3045176, 3403432, 3806470, 4254290, 7232293, 7612940, 8508580, 14464586, 15225880, 17017160, 28929172, 36161465, 57858344, 72322930, 144645860, 289291720]

約数ペア:

[(1, 289291720), (2, 144645860), (4, 72322930), (5, 57858344), (8, 36161465), (10, 28929172), (17, 17017160), (19, 15225880), (20, 14464586), (34, 8508580), (38, 7612940), (40, 7232293), (68, 4254290), (76, 3806470), (85, 3403432), (95, 3045176), (136, 2127145), (152, 1903235), (170, 1701716), (190, 1522588), (323, 895640), (340, 850858), (380, 761294), (646, 447820), (680, 425429), (760, 380647), (1292, 223910), (1615, 179128), (2584, 111955), (3230, 89564), (6460, 44782), (12920, 22391)]