201471250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 80

約数和(自身を含む): 421740000

約数和(自身を除く): 220268750

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 499, 625, 646, 850, 950, 998, 1250, 1615, 2125, 2375, 2495, 3230, 4250, 4750, 4990, 8075, 8483, 9481, 10625, 11875, 12475, 16150, 16966, 18962, 21250, 23750, 24950, 40375, 42415, 47405, 62375, 80750, 84830, 94810, 124750, 161177, 201875, 212075, 237025, 311875, 322354, 403750, 424150, 474050, 623750, 805885, 1060375, 1185125, 1611770, 2120750, 2370250, 4029425, 5301875, 5925625, 8058850, 10603750, 11851250, 20147125, 40294250, 100735625, 201471250]

約数ペア:

[(1, 201471250), (2, 100735625), (5, 40294250), (10, 20147125), (17, 11851250), (19, 10603750), (25, 8058850), (34, 5925625), (38, 5301875), (50, 4029425), (85, 2370250), (95, 2120750), (125, 1611770), (170, 1185125), (190, 1060375), (250, 805885), (323, 623750), (425, 474050), (475, 424150), (499, 403750), (625, 322354), (646, 311875), (850, 237025), (950, 212075), (998, 201875), (1250, 161177), (1615, 124750), (2125, 94810), (2375, 84830), (2495, 80750), (3230, 62375), (4250, 47405), (4750, 42415), (4990, 40375), (8075, 24950), (8483, 23750), (9481, 21250), (10625, 18962), (11875, 16966), (12475, 16150)]