249398940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31253}}^1$

素因数の和:31291

約数の個数: 96

約数和(自身を含む): 840107520

約数和(自身を除く): 590708580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 31253, 62506, 93759, 125012, 156265, 187518, 218771, 312530, 375036, 437542, 468795, 593807, 625060, 656313, 875084, 937590, 1093855, 1187614, 1312626, 1781421, 1875180, 2187710, 2375228, 2625252, 2969035, 3281565, 3562842, 4156649, 4375420, 5938070, 6563130, 7125684, 8313298, 8907105, 11876140, 12469947, 13126260, 16626596, 17814210, 20783245, 24939894, 35628420, 41566490, 49879788, 62349735, 83132980, 124699470, 249398940]

約数ペア:

[(1, 249398940), (2, 124699470), (3, 83132980), (4, 62349735), (5, 49879788), (6, 41566490), (7, 35628420), (10, 24939894), (12, 20783245), (14, 17814210), (15, 16626596), (19, 13126260), (20, 12469947), (21, 11876140), (28, 8907105), (30, 8313298), (35, 7125684), (38, 6563130), (42, 5938070), (57, 4375420), (60, 4156649), (70, 3562842), (76, 3281565), (84, 2969035), (95, 2625252), (105, 2375228), (114, 2187710), (133, 1875180), (140, 1781421), (190, 1312626), (210, 1187614), (228, 1093855), (266, 937590), (285, 875084), (380, 656313), (399, 625060), (420, 593807), (532, 468795), (570, 437542), (665, 375036), (798, 312530), (1140, 218771), (1330, 187518), (1596, 156265), (1995, 125012), (2660, 93759), (3990, 62506), (7980, 31253)]