279748404

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 800479680

約数和(自身を除く): 520731276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 131, 156, 162, 169, 234, 243, 262, 324, 338, 351, 393, 468, 486, 507, 524, 676, 702, 786, 972, 1014, 1053, 1179, 1404, 1521, 1572, 1703, 2028, 2106, 2197, 2358, 3042, 3159, 3406, 3537, 4212, 4394, 4563, 4716, 5109, 6084, 6318, 6591, 6812, 7074, 8788, 9126, 10218, 10611, 12636, 13182, 13689, 14148, 15327, 18252, 19773, 20436, 21222, 22139, 26364, 27378, 30654, 31833, 39546, 41067, 42444, 44278, 45981, 54756, 59319, 61308, 63666, 66417, 79092, 82134, 88556, 91962, 118638, 127332, 132834, 137943, 164268, 177957, 183924, 199251, 237276, 265668, 275886, 287807, 355914, 398502, 413829, 533871, 551772, 575614, 597753, 711828, 797004, 827658, 863421, 1067742, 1151228, 1195506, 1655316, 1726842, 1793259, 2135484, 2391012, 2590263, 3453684, 3586518, 5180526, 5379777, 7173036, 7770789, 10361052, 10759554, 15541578, 21519108, 23312367, 31083156, 46624734, 69937101, 93249468, 139874202, 279748404]

約数ペア:

[(1, 279748404), (2, 139874202), (3, 93249468), (4, 69937101), (6, 46624734), (9, 31083156), (12, 23312367), (13, 21519108), (18, 15541578), (26, 10759554), (27, 10361052), (36, 7770789), (39, 7173036), (52, 5379777), (54, 5180526), (78, 3586518), (81, 3453684), (108, 2590263), (117, 2391012), (131, 2135484), (156, 1793259), (162, 1726842), (169, 1655316), (234, 1195506), (243, 1151228), (262, 1067742), (324, 863421), (338, 827658), (351, 797004), (393, 711828), (468, 597753), (486, 575614), (507, 551772), (524, 533871), (676, 413829), (702, 398502), (786, 355914), (972, 287807), (1014, 275886), (1053, 265668), (1179, 237276), (1404, 199251), (1521, 183924), (1572, 177957), (1703, 164268), (2028, 137943), (2106, 132834), (2197, 127332), (2358, 118638), (3042, 91962), (3159, 88556), (3406, 82134), (3537, 79092), (4212, 66417), (4394, 63666), (4563, 61308), (4716, 59319), (5109, 54756), (6084, 45981), (6318, 44278), (6591, 42444), (6812, 41067), (7074, 39546), (8788, 31833), (9126, 30654), (10218, 27378), (10611, 26364), (12636, 22139), (13182, 21222), (13689, 20436), (14148, 19773), (15327, 18252)]