217504140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 714292992

約数和(自身を除く): 496788852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 167, 196, 210, 245, 294, 334, 420, 443, 490, 501, 588, 668, 735, 835, 886, 980, 1002, 1169, 1329, 1470, 1670, 1772, 2004, 2215, 2338, 2505, 2658, 2940, 3101, 3340, 3507, 4430, 4676, 5010, 5316, 5845, 6202, 6645, 7014, 8183, 8860, 9303, 10020, 11690, 12404, 13290, 14028, 15505, 16366, 17535, 18606, 21707, 23380, 24549, 26580, 31010, 32732, 35070, 37212, 40915, 43414, 46515, 49098, 62020, 65121, 70140, 73981, 81830, 86828, 93030, 98196, 108535, 122745, 130242, 147962, 163660, 186060, 217070, 221943, 245490, 260484, 295924, 325605, 369905, 434140, 443886, 490980, 517867, 651210, 739810, 887772, 1035734, 1109715, 1302420, 1479620, 1553601, 2071468, 2219430, 2589335, 3107202, 3625069, 4438860, 5178670, 6214404, 7250138, 7768005, 10357340, 10875207, 14500276, 15536010, 18125345, 21750414, 31072020, 36250690, 43500828, 54376035, 72501380, 108752070, 217504140]

約数ペア:

[(1, 217504140), (2, 108752070), (3, 72501380), (4, 54376035), (5, 43500828), (6, 36250690), (7, 31072020), (10, 21750414), (12, 18125345), (14, 15536010), (15, 14500276), (20, 10875207), (21, 10357340), (28, 7768005), (30, 7250138), (35, 6214404), (42, 5178670), (49, 4438860), (60, 3625069), (70, 3107202), (84, 2589335), (98, 2219430), (105, 2071468), (140, 1553601), (147, 1479620), (167, 1302420), (196, 1109715), (210, 1035734), (245, 887772), (294, 739810), (334, 651210), (420, 517867), (443, 490980), (490, 443886), (501, 434140), (588, 369905), (668, 325605), (735, 295924), (835, 260484), (886, 245490), (980, 221943), (1002, 217070), (1169, 186060), (1329, 163660), (1470, 147962), (1670, 130242), (1772, 122745), (2004, 108535), (2215, 98196), (2338, 93030), (2505, 86828), (2658, 81830), (2940, 73981), (3101, 70140), (3340, 65121), (3507, 62020), (4430, 49098), (4676, 46515), (5010, 43414), (5316, 40915), (5845, 37212), (6202, 35070), (6645, 32732), (7014, 31010), (8183, 26580), (8860, 24549), (9303, 23380), (10020, 21707), (11690, 18606), (12404, 17535), (13290, 16366), (14028, 15505)]