251141940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5446

約数の個数: 144

約数和(自身を含む): 894321792

約数和(自身を除く): 643179852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 5387, 6660, 7770, 9324, 10774, 11655, 15540, 16161, 21548, 23310, 26935, 32322, 37709, 46620, 48483, 53870, 64644, 75418, 80805, 96966, 107740, 113127, 150836, 161610, 188545, 193932, 199319, 226254, 242415, 323220, 339381, 377090, 398638, 452508, 484830, 565635, 597957, 678762, 754180, 797276, 969660, 996595, 1131270, 1195914, 1357524, 1395233, 1696905, 1793871, 1993190, 2262540, 2391828, 2790466, 2989785, 3393810, 3587742, 3986380, 4185699, 5580932, 5979570, 6787620, 6976165, 7175484, 8371398, 8969355, 11959140, 12557097, 13952330, 16742796, 17938710, 20928495, 25114194, 27904660, 35877420, 41856990, 50228388, 62785485, 83713980, 125570970, 251141940]

約数ペア:

[(1, 251141940), (2, 125570970), (3, 83713980), (4, 62785485), (5, 50228388), (6, 41856990), (7, 35877420), (9, 27904660), (10, 25114194), (12, 20928495), (14, 17938710), (15, 16742796), (18, 13952330), (20, 12557097), (21, 11959140), (28, 8969355), (30, 8371398), (35, 7175484), (36, 6976165), (37, 6787620), (42, 5979570), (45, 5580932), (60, 4185699), (63, 3986380), (70, 3587742), (74, 3393810), (84, 2989785), (90, 2790466), (105, 2391828), (111, 2262540), (126, 1993190), (140, 1793871), (148, 1696905), (180, 1395233), (185, 1357524), (210, 1195914), (222, 1131270), (252, 996595), (259, 969660), (315, 797276), (333, 754180), (370, 678762), (420, 597957), (444, 565635), (518, 484830), (555, 452508), (630, 398638), (666, 377090), (740, 339381), (777, 323220), (1036, 242415), (1110, 226254), (1260, 199319), (1295, 193932), (1332, 188545), (1554, 161610), (1665, 150836), (2220, 113127), (2331, 107740), (2590, 96966), (3108, 80805), (3330, 75418), (3885, 64644), (4662, 53870), (5180, 48483), (5387, 46620), (6660, 37709), (7770, 32322), (9324, 26935), (10774, 23310), (11655, 21548), (15540, 16161)]