28999260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5243

約数の個数: 72

約数和(自身を含む): 90819456

約数和(自身を除く): 61820196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5197, 5580, 10394, 15591, 20788, 25985, 31182, 46773, 51970, 62364, 77955, 93546, 103940, 155910, 161107, 187092, 233865, 311820, 322214, 467730, 483321, 644428, 805535, 935460, 966642, 1449963, 1611070, 1933284, 2416605, 2899926, 3222140, 4833210, 5799852, 7249815, 9666420, 14499630, 28999260]

約数ペア:

[(1, 28999260), (2, 14499630), (3, 9666420), (4, 7249815), (5, 5799852), (6, 4833210), (9, 3222140), (10, 2899926), (12, 2416605), (15, 1933284), (18, 1611070), (20, 1449963), (30, 966642), (31, 935460), (36, 805535), (45, 644428), (60, 483321), (62, 467730), (90, 322214), (93, 311820), (124, 233865), (155, 187092), (180, 161107), (186, 155910), (279, 103940), (310, 93546), (372, 77955), (465, 62364), (558, 51970), (620, 46773), (930, 31182), (1116, 25985), (1395, 20788), (1860, 15591), (2790, 10394), (5197, 5580)]