28309510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 28092410

約数列:

[1, 2, 5, 10, 29, 31, 47, 58, 62, 67, 94, 134, 145, 155, 235, 290, 310, 335, 470, 670, 899, 1363, 1457, 1798, 1943, 2077, 2726, 2914, 3149, 3886, 4154, 4495, 6298, 6815, 7285, 8990, 9715, 10385, 13630, 14570, 15745, 19430, 20770, 31490, 42253, 60233, 84506, 91321, 97619, 120466, 182642, 195238, 211265, 301165, 422530, 456605, 488095, 602330, 913210, 976190, 2830951, 5661902, 14154755, 28309510]

約数ペア:

[(1, 28309510), (2, 14154755), (5, 5661902), (10, 2830951), (29, 976190), (31, 913210), (47, 602330), (58, 488095), (62, 456605), (67, 422530), (94, 301165), (134, 211265), (145, 195238), (155, 182642), (235, 120466), (290, 97619), (310, 91321), (335, 84506), (470, 60233), (670, 42253), (899, 31490), (1363, 20770), (1457, 19430), (1798, 15745), (1943, 14570), (2077, 13630), (2726, 10385), (2914, 9715), (3149, 8990), (3886, 7285), (4154, 6815), (4495, 6298)]