290435496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 813321600

約数和(自身を除く): 522886104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 139, 148, 156, 181, 222, 278, 296, 312, 362, 417, 444, 481, 543, 556, 724, 834, 888, 962, 1086, 1112, 1443, 1448, 1668, 1807, 1924, 2172, 2353, 2886, 3336, 3614, 3848, 4344, 4706, 5143, 5421, 5772, 6697, 7059, 7228, 9412, 10286, 10842, 11544, 13394, 14118, 14456, 15429, 18824, 20091, 20572, 21684, 25159, 26788, 28236, 30858, 40182, 41144, 43368, 50318, 53576, 56472, 61716, 66859, 75477, 80364, 87061, 100636, 123432, 133718, 150954, 160728, 174122, 200577, 201272, 261183, 267436, 301908, 327067, 348244, 401154, 522366, 534872, 603816, 654134, 696488, 802308, 930883, 981201, 1044732, 1308268, 1604616, 1861766, 1962402, 2089464, 2616536, 2792649, 3723532, 3924804, 5585298, 7447064, 7849608, 11170596, 12101479, 22341192, 24202958, 36304437, 48405916, 72608874, 96811832, 145217748, 290435496]

約数ペア:

[(1, 290435496), (2, 145217748), (3, 96811832), (4, 72608874), (6, 48405916), (8, 36304437), (12, 24202958), (13, 22341192), (24, 12101479), (26, 11170596), (37, 7849608), (39, 7447064), (52, 5585298), (74, 3924804), (78, 3723532), (104, 2792649), (111, 2616536), (139, 2089464), (148, 1962402), (156, 1861766), (181, 1604616), (222, 1308268), (278, 1044732), (296, 981201), (312, 930883), (362, 802308), (417, 696488), (444, 654134), (481, 603816), (543, 534872), (556, 522366), (724, 401154), (834, 348244), (888, 327067), (962, 301908), (1086, 267436), (1112, 261183), (1443, 201272), (1448, 200577), (1668, 174122), (1807, 160728), (1924, 150954), (2172, 133718), (2353, 123432), (2886, 100636), (3336, 87061), (3614, 80364), (3848, 75477), (4344, 66859), (4706, 61716), (5143, 56472), (5421, 53576), (5772, 50318), (6697, 43368), (7059, 41144), (7228, 40182), (9412, 30858), (10286, 28236), (10842, 26788), (11544, 25159), (13394, 21684), (14118, 20572), (14456, 20091), (15429, 18824)]