2021372500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 180

約数和(自身を含む): 5328684900

約数和(自身を除く): 3307312400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 125, 140, 145, 175, 196, 203, 245, 250, 290, 350, 406, 490, 500, 569, 580, 625, 700, 725, 812, 875, 980, 1015, 1138, 1225, 1250, 1421, 1450, 1750, 2030, 2276, 2450, 2500, 2842, 2845, 2900, 3500, 3625, 3983, 4060, 4375, 4900, 5075, 5684, 5690, 6125, 7105, 7250, 7966, 8750, 10150, 11380, 12250, 14210, 14225, 14500, 15932, 16501, 17500, 18125, 19915, 20300, 24500, 25375, 27881, 28420, 28450, 30625, 33002, 35525, 36250, 39830, 50750, 55762, 56900, 61250, 66004, 71050, 71125, 72500, 79660, 82505, 99575, 101500, 111524, 115507, 122500, 126875, 139405, 142100, 142250, 165010, 177625, 199150, 231014, 253750, 278810, 284500, 330020, 355250, 355625, 398300, 412525, 462028, 497875, 507500, 557620, 577535, 697025, 710500, 711250, 808549, 825050, 888125, 995750, 1155070, 1394050, 1422500, 1617098, 1650100, 1776250, 1991500, 2062625, 2310140, 2489375, 2788100, 2887675, 3234196, 3485125, 3552500, 4042745, 4125250, 4978750, 5775350, 6970250, 8085490, 8250500, 9957500, 10313125, 11550700, 13940500, 14438375, 16170980, 17425625, 20213725, 20626250, 28876750, 34851250, 40427450, 41252500, 57753500, 69702500, 72191875, 80854900, 101068625, 144383750, 202137250, 288767500, 404274500, 505343125, 1010686250, 2021372500]

約数ペア:

[(1, 2021372500), (2, 1010686250), (4, 505343125), (5, 404274500), (7, 288767500), (10, 202137250), (14, 144383750), (20, 101068625), (25, 80854900), (28, 72191875), (29, 69702500), (35, 57753500), (49, 41252500), (50, 40427450), (58, 34851250), (70, 28876750), (98, 20626250), (100, 20213725), (116, 17425625), (125, 16170980), (140, 14438375), (145, 13940500), (175, 11550700), (196, 10313125), (203, 9957500), (245, 8250500), (250, 8085490), (290, 6970250), (350, 5775350), (406, 4978750), (490, 4125250), (500, 4042745), (569, 3552500), (580, 3485125), (625, 3234196), (700, 2887675), (725, 2788100), (812, 2489375), (875, 2310140), (980, 2062625), (1015, 1991500), (1138, 1776250), (1225, 1650100), (1250, 1617098), (1421, 1422500), (1450, 1394050), (1750, 1155070), (2030, 995750), (2276, 888125), (2450, 825050), (2500, 808549), (2842, 711250), (2845, 710500), (2900, 697025), (3500, 577535), (3625, 557620), (3983, 507500), (4060, 497875), (4375, 462028), (4900, 412525), (5075, 398300), (5684, 355625), (5690, 355250), (6125, 330020), (7105, 284500), (7250, 278810), (7966, 253750), (8750, 231014), (10150, 199150), (11380, 177625), (12250, 165010), (14210, 142250), (14225, 142100), (14500, 139405), (15932, 126875), (16501, 122500), (17500, 115507), (18125, 111524), (19915, 101500), (20300, 99575), (24500, 82505), (25375, 79660), (27881, 72500), (28420, 71125), (28450, 71050), (30625, 66004), (33002, 61250), (35525, 56900), (36250, 55762), (39830, 50750)]