18252500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 90

約数和(自身を含む): 46742850

約数和(自身を除く): 28490350

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 149, 175, 196, 245, 250, 298, 350, 490, 500, 596, 625, 700, 745, 875, 980, 1043, 1225, 1250, 1490, 1750, 2086, 2450, 2500, 2980, 3500, 3725, 4172, 4375, 4900, 5215, 6125, 7301, 7450, 8750, 10430, 12250, 14602, 14900, 17500, 18625, 20860, 24500, 26075, 29204, 30625, 36505, 37250, 52150, 61250, 73010, 74500, 93125, 104300, 122500, 130375, 146020, 182525, 186250, 260750, 365050, 372500, 521500, 651875, 730100, 912625, 1303750, 1825250, 2607500, 3650500, 4563125, 9126250, 18252500]

約数ペア:

[(1, 18252500), (2, 9126250), (4, 4563125), (5, 3650500), (7, 2607500), (10, 1825250), (14, 1303750), (20, 912625), (25, 730100), (28, 651875), (35, 521500), (49, 372500), (50, 365050), (70, 260750), (98, 186250), (100, 182525), (125, 146020), (140, 130375), (149, 122500), (175, 104300), (196, 93125), (245, 74500), (250, 73010), (298, 61250), (350, 52150), (490, 37250), (500, 36505), (596, 30625), (625, 29204), (700, 26075), (745, 24500), (875, 20860), (980, 18625), (1043, 17500), (1225, 14900), (1250, 14602), (1490, 12250), (1750, 10430), (2086, 8750), (2450, 7450), (2500, 7301), (2980, 6125), (3500, 5215), (3725, 4900), (4172, 4375)]