28989250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 31663550

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 359, 425, 475, 646, 718, 850, 950, 1615, 1795, 2125, 2375, 3230, 3590, 4250, 4750, 6103, 6821, 8075, 8975, 12206, 13642, 16150, 17950, 30515, 34105, 40375, 44875, 61030, 68210, 80750, 89750, 115957, 152575, 170525, 231914, 305150, 341050, 579785, 762875, 852625, 1159570, 1525750, 1705250, 2898925, 5797850, 14494625, 28989250]

約数ペア:

[(1, 28989250), (2, 14494625), (5, 5797850), (10, 2898925), (17, 1705250), (19, 1525750), (25, 1159570), (34, 852625), (38, 762875), (50, 579785), (85, 341050), (95, 305150), (125, 231914), (170, 170525), (190, 152575), (250, 115957), (323, 89750), (359, 80750), (425, 68210), (475, 61030), (646, 44875), (718, 40375), (850, 34105), (950, 30515), (1615, 17950), (1795, 16150), (2125, 13642), (2375, 12206), (3230, 8975), (3590, 8075), (4250, 6821), (4750, 6103)]