28739100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7369}}^1$

素因数の和:7399

約数の個数: 72

約数和(自身を含む): 89560240

約数和(自身を除く): 60821140

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, 7369, 14738, 22107, 29476, 36845, 44214, 73690, 88428, 95797, 110535, 147380, 184225, 191594, 221070, 287391, 368450, 383188, 442140, 478985, 552675, 574782, 736900, 957970, 1105350, 1149564, 1436955, 1915940, 2210700, 2394925, 2873910, 4789850, 5747820, 7184775, 9579700, 14369550, 28739100]

約数ペア:

[(1, 28739100), (2, 14369550), (3, 9579700), (4, 7184775), (5, 5747820), (6, 4789850), (10, 2873910), (12, 2394925), (13, 2210700), (15, 1915940), (20, 1436955), (25, 1149564), (26, 1105350), (30, 957970), (39, 736900), (50, 574782), (52, 552675), (60, 478985), (65, 442140), (75, 383188), (78, 368450), (100, 287391), (130, 221070), (150, 191594), (156, 184225), (195, 147380), (260, 110535), (300, 95797), (325, 88428), (390, 73690), (650, 44214), (780, 36845), (975, 29476), (1300, 22107), (1950, 14738), (3900, 7369)]