221326140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 730380672

約数和(自身を除く): 509054532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 83, 84, 98, 105, 140, 147, 166, 196, 210, 245, 249, 294, 332, 415, 420, 490, 498, 581, 588, 735, 830, 907, 980, 996, 1162, 1245, 1470, 1660, 1743, 1814, 2324, 2490, 2721, 2905, 2940, 3486, 3628, 4067, 4535, 4980, 5442, 5810, 6349, 6972, 8134, 8715, 9070, 10884, 11620, 12201, 12698, 13605, 16268, 17430, 18140, 19047, 20335, 24402, 25396, 27210, 31745, 34860, 38094, 40670, 44443, 48804, 54420, 61005, 63490, 75281, 76188, 81340, 88886, 95235, 122010, 126980, 133329, 150562, 177772, 190470, 222215, 225843, 244020, 266658, 301124, 376405, 380940, 444430, 451686, 526967, 533316, 666645, 752810, 888860, 903372, 1053934, 1129215, 1333290, 1505620, 1580901, 2107868, 2258430, 2634835, 2666580, 3161802, 3688769, 4516860, 5269670, 6323604, 7377538, 7904505, 10539340, 11066307, 14755076, 15809010, 18443845, 22132614, 31618020, 36887690, 44265228, 55331535, 73775380, 110663070, 221326140]

約数ペア:

[(1, 221326140), (2, 110663070), (3, 73775380), (4, 55331535), (5, 44265228), (6, 36887690), (7, 31618020), (10, 22132614), (12, 18443845), (14, 15809010), (15, 14755076), (20, 11066307), (21, 10539340), (28, 7904505), (30, 7377538), (35, 6323604), (42, 5269670), (49, 4516860), (60, 3688769), (70, 3161802), (83, 2666580), (84, 2634835), (98, 2258430), (105, 2107868), (140, 1580901), (147, 1505620), (166, 1333290), (196, 1129215), (210, 1053934), (245, 903372), (249, 888860), (294, 752810), (332, 666645), (415, 533316), (420, 526967), (490, 451686), (498, 444430), (581, 380940), (588, 376405), (735, 301124), (830, 266658), (907, 244020), (980, 225843), (996, 222215), (1162, 190470), (1245, 177772), (1470, 150562), (1660, 133329), (1743, 126980), (1814, 122010), (2324, 95235), (2490, 88886), (2721, 81340), (2905, 76188), (2940, 75281), (3486, 63490), (3628, 61005), (4067, 54420), (4535, 48804), (4980, 44443), (5442, 40670), (5810, 38094), (6349, 34860), (6972, 31745), (8134, 27210), (8715, 25396), (9070, 24402), (10884, 20335), (11620, 19047), (12201, 18140), (12698, 17430), (13605, 16268)]