2018282500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 180

約数和(自身を含む): 5078340036

約数和(自身を除く): 3060057536

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 169, 170, 221, 250, 260, 281, 325, 338, 340, 425, 442, 500, 562, 625, 650, 676, 845, 850, 884, 1105, 1124, 1250, 1300, 1405, 1625, 1690, 1700, 2125, 2210, 2500, 2810, 2873, 3250, 3380, 3653, 4225, 4250, 4420, 4777, 5525, 5620, 5746, 6500, 7025, 7306, 8125, 8450, 8500, 9554, 10625, 11050, 11492, 14050, 14365, 14612, 16250, 16900, 18265, 19108, 21125, 21250, 22100, 23885, 27625, 28100, 28730, 32500, 35125, 36530, 42250, 42500, 47489, 47770, 55250, 57460, 62101, 70250, 71825, 73060, 84500, 91325, 94978, 95540, 105625, 110500, 119425, 124202, 138125, 140500, 143650, 175625, 182650, 189956, 211250, 237445, 238850, 248404, 276250, 287300, 310505, 351250, 359125, 365300, 422500, 456625, 474890, 477700, 552500, 597125, 621010, 702500, 718250, 807313, 913250, 949780, 1187225, 1194250, 1242020, 1436500, 1552525, 1614626, 1795625, 1826500, 2283125, 2374450, 2388500, 2985625, 3105050, 3229252, 3591250, 4036565, 4566250, 4748900, 5936125, 5971250, 6210100, 7182500, 7762625, 8073130, 9132500, 11872250, 11942500, 15525250, 16146260, 20182825, 23744500, 29680625, 31050500, 38813125, 40365650, 59361250, 77626250, 80731300, 100914125, 118722500, 155252500, 201828250, 403656500, 504570625, 1009141250, 2018282500]

約数ペア:

[(1, 2018282500), (2, 1009141250), (4, 504570625), (5, 403656500), (10, 201828250), (13, 155252500), (17, 118722500), (20, 100914125), (25, 80731300), (26, 77626250), (34, 59361250), (50, 40365650), (52, 38813125), (65, 31050500), (68, 29680625), (85, 23744500), (100, 20182825), (125, 16146260), (130, 15525250), (169, 11942500), (170, 11872250), (221, 9132500), (250, 8073130), (260, 7762625), (281, 7182500), (325, 6210100), (338, 5971250), (340, 5936125), (425, 4748900), (442, 4566250), (500, 4036565), (562, 3591250), (625, 3229252), (650, 3105050), (676, 2985625), (845, 2388500), (850, 2374450), (884, 2283125), (1105, 1826500), (1124, 1795625), (1250, 1614626), (1300, 1552525), (1405, 1436500), (1625, 1242020), (1690, 1194250), (1700, 1187225), (2125, 949780), (2210, 913250), (2500, 807313), (2810, 718250), (2873, 702500), (3250, 621010), (3380, 597125), (3653, 552500), (4225, 477700), (4250, 474890), (4420, 456625), (4777, 422500), (5525, 365300), (5620, 359125), (5746, 351250), (6500, 310505), (7025, 287300), (7306, 276250), (8125, 248404), (8450, 238850), (8500, 237445), (9554, 211250), (10625, 189956), (11050, 182650), (11492, 175625), (14050, 143650), (14365, 140500), (14612, 138125), (16250, 124202), (16900, 119425), (18265, 110500), (19108, 105625), (21125, 95540), (21250, 94978), (22100, 91325), (23885, 84500), (27625, 73060), (28100, 71825), (28730, 70250), (32500, 62101), (35125, 57460), (36530, 55250), (42250, 47770), (42500, 47489)]