205385500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 482908608

約数和(自身を除く): 277523108

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 125, 146, 170, 250, 292, 331, 340, 365, 425, 500, 662, 730, 850, 1241, 1324, 1460, 1655, 1700, 1825, 2125, 2482, 3310, 3650, 4250, 4964, 5627, 6205, 6620, 7300, 8275, 8500, 9125, 11254, 12410, 16550, 18250, 22508, 24163, 24820, 28135, 31025, 33100, 36500, 41375, 48326, 56270, 62050, 82750, 96652, 112540, 120815, 124100, 140675, 155125, 165500, 241630, 281350, 310250, 410771, 483260, 562700, 604075, 620500, 703375, 821542, 1208150, 1406750, 1643084, 2053855, 2416300, 2813500, 3020375, 4107710, 6040750, 8215420, 10269275, 12081500, 20538550, 41077100, 51346375, 102692750, 205385500]

約数ペア:

[(1, 205385500), (2, 102692750), (4, 51346375), (5, 41077100), (10, 20538550), (17, 12081500), (20, 10269275), (25, 8215420), (34, 6040750), (50, 4107710), (68, 3020375), (73, 2813500), (85, 2416300), (100, 2053855), (125, 1643084), (146, 1406750), (170, 1208150), (250, 821542), (292, 703375), (331, 620500), (340, 604075), (365, 562700), (425, 483260), (500, 410771), (662, 310250), (730, 281350), (850, 241630), (1241, 165500), (1324, 155125), (1460, 140675), (1655, 124100), (1700, 120815), (1825, 112540), (2125, 96652), (2482, 82750), (3310, 62050), (3650, 56270), (4250, 48326), (4964, 41375), (5627, 36500), (6205, 33100), (6620, 31025), (7300, 28135), (8275, 24820), (8500, 24163), (9125, 22508), (11254, 18250), (12410, 16550)]