830498360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15391}}^1$

素因数の和:15492

約数の個数: 64

約数和(自身を含む): 1994803200

約数和(自身を除く): 1164304840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 15391, 26980, 30782, 53960, 61564, 76955, 123128, 153910, 292429, 307820, 584858, 615640, 1092761, 1169716, 1462145, 2185522, 2339432, 2924290, 4371044, 5463805, 5848580, 8742088, 10927610, 11697160, 20762459, 21855220, 41524918, 43710440, 83049836, 103812295, 166099672, 207624590, 415249180, 830498360]

約数ペア:

[(1, 830498360), (2, 415249180), (4, 207624590), (5, 166099672), (8, 103812295), (10, 83049836), (19, 43710440), (20, 41524918), (38, 21855220), (40, 20762459), (71, 11697160), (76, 10927610), (95, 8742088), (142, 5848580), (152, 5463805), (190, 4371044), (284, 2924290), (355, 2339432), (380, 2185522), (568, 1462145), (710, 1169716), (760, 1092761), (1349, 615640), (1420, 584858), (2698, 307820), (2840, 292429), (5396, 153910), (6745, 123128), (10792, 76955), (13490, 61564), (15391, 53960), (26980, 30782)]