204877880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 503971200

約数和(自身を除く): 299093320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 289, 296, 340, 370, 479, 578, 629, 680, 740, 958, 1156, 1258, 1445, 1480, 1916, 2312, 2395, 2516, 2890, 3145, 3832, 4790, 5032, 5780, 6290, 8143, 9580, 10693, 11560, 12580, 16286, 17723, 19160, 21386, 25160, 32572, 35446, 40715, 42772, 53465, 65144, 70892, 81430, 85544, 88615, 106930, 138431, 141784, 162860, 177230, 213860, 276862, 301291, 325720, 354460, 427720, 553724, 602582, 692155, 708920, 1107448, 1205164, 1384310, 1506455, 2410328, 2768620, 3012910, 5121947, 5537240, 6025820, 10243894, 12051640, 20487788, 25609735, 40975576, 51219470, 102438940, 204877880]

約数ペア:

[(1, 204877880), (2, 102438940), (4, 51219470), (5, 40975576), (8, 25609735), (10, 20487788), (17, 12051640), (20, 10243894), (34, 6025820), (37, 5537240), (40, 5121947), (68, 3012910), (74, 2768620), (85, 2410328), (136, 1506455), (148, 1384310), (170, 1205164), (185, 1107448), (289, 708920), (296, 692155), (340, 602582), (370, 553724), (479, 427720), (578, 354460), (629, 325720), (680, 301291), (740, 276862), (958, 213860), (1156, 177230), (1258, 162860), (1445, 141784), (1480, 138431), (1916, 106930), (2312, 88615), (2395, 85544), (2516, 81430), (2890, 70892), (3145, 65144), (3832, 53465), (4790, 42772), (5032, 40715), (5780, 35446), (6290, 32572), (8143, 25160), (9580, 21386), (10693, 19160), (11560, 17723), (12580, 16286)]