219778720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 216

約数和(自身を含む): 648232956

約数和(自身を除く): 428454236

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 97, 98, 112, 119, 136, 140, 160, 170, 194, 196, 224, 238, 245, 272, 280, 289, 340, 388, 392, 476, 485, 490, 544, 560, 578, 595, 679, 680, 776, 784, 833, 952, 970, 980, 1120, 1156, 1190, 1358, 1360, 1445, 1552, 1568, 1649, 1666, 1904, 1940, 1960, 2023, 2312, 2380, 2716, 2720, 2890, 3104, 3298, 3332, 3395, 3808, 3880, 3920, 4046, 4165, 4624, 4753, 4760, 5432, 5780, 6596, 6664, 6790, 7760, 7840, 8092, 8245, 8330, 9248, 9506, 9520, 10115, 10864, 11543, 11560, 13192, 13328, 13580, 14161, 15520, 16184, 16490, 16660, 19012, 19040, 20230, 21728, 23086, 23120, 23765, 26384, 26656, 27160, 28033, 28322, 32368, 32980, 33320, 38024, 40460, 46172, 46240, 47530, 52768, 54320, 56066, 56644, 57715, 64736, 65960, 66640, 70805, 76048, 80801, 80920, 92344, 95060, 108640, 112132, 113288, 115430, 131920, 133280, 140165, 141610, 152096, 161602, 161840, 184688, 190120, 196231, 224264, 226576, 230860, 263840, 280330, 283220, 323204, 323680, 369376, 380240, 392462, 404005, 448528, 453152, 461720, 560660, 566440, 646408, 760480, 784924, 808010, 897056, 923440, 981155, 1121320, 1132880, 1292816, 1373617, 1569848, 1616020, 1846880, 1962310, 2242640, 2265760, 2585632, 2747234, 3139696, 3232040, 3924620, 4485280, 5494468, 6279392, 6464080, 6868085, 7849240, 10988936, 12928160, 13736170, 15698480, 21977872, 27472340, 31396960, 43955744, 54944680, 109889360, 219778720]

約数ペア:

[(1, 219778720), (2, 109889360), (4, 54944680), (5, 43955744), (7, 31396960), (8, 27472340), (10, 21977872), (14, 15698480), (16, 13736170), (17, 12928160), (20, 10988936), (28, 7849240), (32, 6868085), (34, 6464080), (35, 6279392), (40, 5494468), (49, 4485280), (56, 3924620), (68, 3232040), (70, 3139696), (80, 2747234), (85, 2585632), (97, 2265760), (98, 2242640), (112, 1962310), (119, 1846880), (136, 1616020), (140, 1569848), (160, 1373617), (170, 1292816), (194, 1132880), (196, 1121320), (224, 981155), (238, 923440), (245, 897056), (272, 808010), (280, 784924), (289, 760480), (340, 646408), (388, 566440), (392, 560660), (476, 461720), (485, 453152), (490, 448528), (544, 404005), (560, 392462), (578, 380240), (595, 369376), (679, 323680), (680, 323204), (776, 283220), (784, 280330), (833, 263840), (952, 230860), (970, 226576), (980, 224264), (1120, 196231), (1156, 190120), (1190, 184688), (1358, 161840), (1360, 161602), (1445, 152096), (1552, 141610), (1568, 140165), (1649, 133280), (1666, 131920), (1904, 115430), (1940, 113288), (1960, 112132), (2023, 108640), (2312, 95060), (2380, 92344), (2716, 80920), (2720, 80801), (2890, 76048), (3104, 70805), (3298, 66640), (3332, 65960), (3395, 64736), (3808, 57715), (3880, 56644), (3920, 56066), (4046, 54320), (4165, 52768), (4624, 47530), (4753, 46240), (4760, 46172), (5432, 40460), (5780, 38024), (6596, 33320), (6664, 32980), (6790, 32368), (7760, 28322), (7840, 28033), (8092, 27160), (8245, 26656), (8330, 26384), (9248, 23765), (9506, 23120), (9520, 23086), (10115, 21728), (10864, 20230), (11543, 19040), (11560, 19012), (13192, 16660), (13328, 16490), (13580, 16184), (14161, 15520)]