28193100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7229}}^1$

素因数の和:7259

約数の個数: 72

約数和(自身を含む): 87858960

約数和(自身を除く): 59665860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7229, 14458, 21687, 28916, 36145, 43374, 72290, 86748, 93977, 108435, 144580, 180725, 187954, 216870, 281931, 361450, 375908, 433740, 469885, 542175, 563862, 722900, 939770, 1084350, 1127724, 1409655, 1879540, 2168700, 2349425, 2819310, 4698850, 5638620, 7048275, 9397700, 14096550, 28193100]

約数ペア:

[(1, 28193100), (2, 14096550), (3, 9397700), (4, 7048275), (5, 5638620), (6, 4698850), (10, 2819310), (12, 2349425), (13, 2168700), (15, 1879540), (20, 1409655), (25, 1127724), (26, 1084350), (30, 939770), (39, 722900), (50, 563862), (52, 542175), (60, 469885), (65, 433740), (75, 375908), (78, 361450), (100, 281931), (130, 216870), (150, 187954), (156, 180725), (195, 144580), (260, 108435), (300, 93977), (325, 86748), (390, 72290), (650, 43374), (780, 36145), (975, 28916), (1300, 21687), (1950, 14458), (3900, 7229)]