28637490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 83607552

約数和(自身を除く): 54970062

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 53, 62, 70, 83, 93, 105, 106, 155, 159, 166, 186, 210, 217, 249, 265, 310, 318, 371, 415, 434, 465, 498, 530, 581, 651, 742, 795, 830, 930, 1085, 1113, 1162, 1245, 1302, 1590, 1643, 1743, 1855, 2170, 2226, 2490, 2573, 2905, 3255, 3286, 3486, 3710, 4399, 4929, 5146, 5565, 5810, 6510, 7719, 8215, 8715, 8798, 9858, 11130, 11501, 12865, 13197, 15438, 16430, 17430, 18011, 21995, 23002, 24645, 25730, 26394, 30793, 34503, 36022, 38595, 43990, 49290, 54033, 57505, 61586, 65985, 69006, 77190, 90055, 92379, 108066, 115010, 131970, 136369, 153965, 172515, 180110, 184758, 270165, 272738, 307930, 345030, 409107, 461895, 540330, 681845, 818214, 923790, 954583, 1363690, 1909166, 2045535, 2863749, 4091070, 4772915, 5727498, 9545830, 14318745, 28637490]

約数ペア:

[(1, 28637490), (2, 14318745), (3, 9545830), (5, 5727498), (6, 4772915), (7, 4091070), (10, 2863749), (14, 2045535), (15, 1909166), (21, 1363690), (30, 954583), (31, 923790), (35, 818214), (42, 681845), (53, 540330), (62, 461895), (70, 409107), (83, 345030), (93, 307930), (105, 272738), (106, 270165), (155, 184758), (159, 180110), (166, 172515), (186, 153965), (210, 136369), (217, 131970), (249, 115010), (265, 108066), (310, 92379), (318, 90055), (371, 77190), (415, 69006), (434, 65985), (465, 61586), (498, 57505), (530, 54033), (581, 49290), (651, 43990), (742, 38595), (795, 36022), (830, 34503), (930, 30793), (1085, 26394), (1113, 25730), (1162, 24645), (1245, 23002), (1302, 21995), (1590, 18011), (1643, 17430), (1743, 16430), (1855, 15438), (2170, 13197), (2226, 12865), (2490, 11501), (2573, 11130), (2905, 9858), (3255, 8798), (3286, 8715), (3486, 8215), (3710, 7719), (4399, 6510), (4929, 5810), (5146, 5565)]