8879780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 25338096

約数和(自身を除く): 16458316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 41, 49, 52, 65, 68, 70, 82, 85, 91, 98, 119, 130, 140, 164, 170, 182, 196, 205, 221, 238, 245, 260, 287, 340, 364, 410, 442, 455, 476, 490, 533, 574, 595, 637, 697, 820, 833, 884, 910, 980, 1066, 1105, 1148, 1190, 1274, 1394, 1435, 1547, 1666, 1820, 2009, 2132, 2210, 2380, 2548, 2665, 2788, 2870, 3094, 3185, 3332, 3485, 3731, 4018, 4165, 4420, 4879, 5330, 5740, 6188, 6370, 6970, 7462, 7735, 8036, 8330, 9061, 9758, 10045, 10660, 10829, 12740, 13940, 14924, 15470, 16660, 18122, 18655, 19516, 20090, 21658, 24395, 26117, 30940, 34153, 36244, 37310, 40180, 43316, 45305, 48790, 52234, 54145, 63427, 68306, 74620, 90610, 97580, 104468, 108290, 126854, 130585, 136612, 170765, 181220, 216580, 253708, 261170, 317135, 341530, 443989, 522340, 634270, 683060, 887978, 1268540, 1775956, 2219945, 4439890, 8879780]

約数ペア:

[(1, 8879780), (2, 4439890), (4, 2219945), (5, 1775956), (7, 1268540), (10, 887978), (13, 683060), (14, 634270), (17, 522340), (20, 443989), (26, 341530), (28, 317135), (34, 261170), (35, 253708), (41, 216580), (49, 181220), (52, 170765), (65, 136612), (68, 130585), (70, 126854), (82, 108290), (85, 104468), (91, 97580), (98, 90610), (119, 74620), (130, 68306), (140, 63427), (164, 54145), (170, 52234), (182, 48790), (196, 45305), (205, 43316), (221, 40180), (238, 37310), (245, 36244), (260, 34153), (287, 30940), (340, 26117), (364, 24395), (410, 21658), (442, 20090), (455, 19516), (476, 18655), (490, 18122), (533, 16660), (574, 15470), (595, 14924), (637, 13940), (697, 12740), (820, 10829), (833, 10660), (884, 10045), (910, 9758), (980, 9061), (1066, 8330), (1105, 8036), (1148, 7735), (1190, 7462), (1274, 6970), (1394, 6370), (1435, 6188), (1547, 5740), (1666, 5330), (1820, 4879), (2009, 4420), (2132, 4165), (2210, 4018), (2380, 3731), (2548, 3485), (2665, 3332), (2788, 3185), (2870, 3094)]