28207830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 81423360

約数和(自身を除く): 53215530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 619, 651, 735, 930, 1085, 1238, 1302, 1470, 1519, 1857, 2170, 3038, 3095, 3255, 3714, 4333, 4557, 6190, 6510, 7595, 8666, 9114, 9285, 12999, 15190, 18570, 19189, 21665, 22785, 25998, 30331, 38378, 43330, 45570, 57567, 60662, 64995, 90993, 95945, 115134, 129990, 134323, 151655, 181986, 191890, 268646, 287835, 303310, 402969, 454965, 575670, 671615, 805938, 909930, 940261, 1343230, 1880522, 2014845, 2820783, 4029690, 4701305, 5641566, 9402610, 14103915, 28207830]

約数ペア:

[(1, 28207830), (2, 14103915), (3, 9402610), (5, 5641566), (6, 4701305), (7, 4029690), (10, 2820783), (14, 2014845), (15, 1880522), (21, 1343230), (30, 940261), (31, 909930), (35, 805938), (42, 671615), (49, 575670), (62, 454965), (70, 402969), (93, 303310), (98, 287835), (105, 268646), (147, 191890), (155, 181986), (186, 151655), (210, 134323), (217, 129990), (245, 115134), (294, 95945), (310, 90993), (434, 64995), (465, 60662), (490, 57567), (619, 45570), (651, 43330), (735, 38378), (930, 30331), (1085, 25998), (1238, 22785), (1302, 21665), (1470, 19189), (1519, 18570), (1857, 15190), (2170, 12999), (3038, 9285), (3095, 9114), (3255, 8666), (3714, 7595), (4333, 6510), (4557, 6190)]