291269175020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{983951}}^1$

素因数の和:984039

約数の個数: 72

約数和(自身を含む): 661298395968

約数和(自身を除く): 370029220948

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 361, 380, 410, 722, 779, 820, 1444, 1558, 1805, 3116, 3610, 3895, 7220, 7790, 14801, 15580, 29602, 59204, 74005, 148010, 296020, 983951, 1967902, 3935804, 4919755, 9839510, 18695069, 19679020, 37390138, 40341991, 74780276, 80683982, 93475345, 161367964, 186950690, 201709955, 355206311, 373901380, 403419910, 710412622, 766497829, 806839820, 1420825244, 1532995658, 1776031555, 3065991316, 3552063110, 3832489145, 7104126220, 7664978290, 14563458751, 15329956580, 29126917502, 58253835004, 72817293755, 145634587510, 291269175020]

約数ペア:

[(1, 291269175020), (2, 145634587510), (4, 72817293755), (5, 58253835004), (10, 29126917502), (19, 15329956580), (20, 14563458751), (38, 7664978290), (41, 7104126220), (76, 3832489145), (82, 3552063110), (95, 3065991316), (164, 1776031555), (190, 1532995658), (205, 1420825244), (361, 806839820), (380, 766497829), (410, 710412622), (722, 403419910), (779, 373901380), (820, 355206311), (1444, 201709955), (1558, 186950690), (1805, 161367964), (3116, 93475345), (3610, 80683982), (3895, 74780276), (7220, 40341991), (7790, 37390138), (14801, 19679020), (15580, 18695069), (29602, 9839510), (59204, 4919755), (74005, 3935804), (148010, 1967902), (296020, 983951)]