15123500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 39312000

約数和(自身を除く): 24188500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 125, 140, 145, 149, 175, 203, 250, 290, 298, 350, 406, 500, 580, 596, 700, 725, 745, 812, 875, 1015, 1043, 1450, 1490, 1750, 2030, 2086, 2900, 2980, 3500, 3625, 3725, 4060, 4172, 4321, 5075, 5215, 7250, 7450, 8642, 10150, 10430, 14500, 14900, 17284, 18625, 20300, 20860, 21605, 25375, 26075, 30247, 37250, 43210, 50750, 52150, 60494, 74500, 86420, 101500, 104300, 108025, 120988, 130375, 151235, 216050, 260750, 302470, 432100, 521500, 540125, 604940, 756175, 1080250, 1512350, 2160500, 3024700, 3780875, 7561750, 15123500]

約数ペア:

[(1, 15123500), (2, 7561750), (4, 3780875), (5, 3024700), (7, 2160500), (10, 1512350), (14, 1080250), (20, 756175), (25, 604940), (28, 540125), (29, 521500), (35, 432100), (50, 302470), (58, 260750), (70, 216050), (100, 151235), (116, 130375), (125, 120988), (140, 108025), (145, 104300), (149, 101500), (175, 86420), (203, 74500), (250, 60494), (290, 52150), (298, 50750), (350, 43210), (406, 37250), (500, 30247), (580, 26075), (596, 25375), (700, 21605), (725, 20860), (745, 20300), (812, 18625), (875, 17284), (1015, 14900), (1043, 14500), (1450, 10430), (1490, 10150), (1750, 8642), (2030, 7450), (2086, 7250), (2900, 5215), (2980, 5075), (3500, 4321), (3625, 4172), (3725, 4060)]