207867500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 495178992

約数和(自身を除く): 287311492

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 73, 85, 100, 125, 134, 146, 170, 250, 268, 292, 335, 340, 365, 425, 500, 625, 670, 730, 850, 1139, 1241, 1250, 1340, 1460, 1675, 1700, 1825, 2125, 2278, 2482, 2500, 3350, 3650, 4250, 4556, 4891, 4964, 5695, 6205, 6700, 7300, 8375, 8500, 9125, 9782, 10625, 11390, 12410, 16750, 18250, 19564, 21250, 22780, 24455, 24820, 28475, 31025, 33500, 36500, 41875, 42500, 45625, 48910, 56950, 62050, 83147, 83750, 91250, 97820, 113900, 122275, 124100, 142375, 155125, 166294, 167500, 182500, 244550, 284750, 310250, 332588, 415735, 489100, 569500, 611375, 620500, 711875, 775625, 831470, 1222750, 1423750, 1551250, 1662940, 2078675, 2445500, 2847500, 3056875, 3102500, 4157350, 6113750, 8314700, 10393375, 12227500, 20786750, 41573500, 51966875, 103933750, 207867500]

約数ペア:

[(1, 207867500), (2, 103933750), (4, 51966875), (5, 41573500), (10, 20786750), (17, 12227500), (20, 10393375), (25, 8314700), (34, 6113750), (50, 4157350), (67, 3102500), (68, 3056875), (73, 2847500), (85, 2445500), (100, 2078675), (125, 1662940), (134, 1551250), (146, 1423750), (170, 1222750), (250, 831470), (268, 775625), (292, 711875), (335, 620500), (340, 611375), (365, 569500), (425, 489100), (500, 415735), (625, 332588), (670, 310250), (730, 284750), (850, 244550), (1139, 182500), (1241, 167500), (1250, 166294), (1340, 155125), (1460, 142375), (1675, 124100), (1700, 122275), (1825, 113900), (2125, 97820), (2278, 91250), (2482, 83750), (2500, 83147), (3350, 62050), (3650, 56950), (4250, 48910), (4556, 45625), (4891, 42500), (4964, 41875), (5695, 36500), (6205, 33500), (6700, 31025), (7300, 28475), (8375, 24820), (8500, 24455), (9125, 22780), (9782, 21250), (10625, 19564), (11390, 18250), (12410, 16750)]