281232380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1059

約数の個数: 96

約数和(自身を含む): 701084160

約数和(自身を除く): 419851780

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 107, 110, 130, 143, 214, 220, 260, 286, 428, 535, 572, 715, 919, 1070, 1177, 1391, 1430, 1838, 2140, 2354, 2782, 2860, 3676, 4595, 4708, 5564, 5885, 6955, 9190, 10109, 11770, 11947, 13910, 15301, 18380, 20218, 23540, 23894, 27820, 30602, 40436, 47788, 50545, 59735, 61204, 76505, 98333, 101090, 119470, 131417, 153010, 196666, 202180, 238940, 262834, 306020, 393332, 491665, 525668, 657085, 983330, 1081663, 1278329, 1314170, 1966660, 2163326, 2556658, 2628340, 4326652, 5113316, 5408315, 6391645, 10816630, 12783290, 14061619, 21633260, 25566580, 28123238, 56246476, 70308095, 140616190, 281232380]

約数ペア:

[(1, 281232380), (2, 140616190), (4, 70308095), (5, 56246476), (10, 28123238), (11, 25566580), (13, 21633260), (20, 14061619), (22, 12783290), (26, 10816630), (44, 6391645), (52, 5408315), (55, 5113316), (65, 4326652), (107, 2628340), (110, 2556658), (130, 2163326), (143, 1966660), (214, 1314170), (220, 1278329), (260, 1081663), (286, 983330), (428, 657085), (535, 525668), (572, 491665), (715, 393332), (919, 306020), (1070, 262834), (1177, 238940), (1391, 202180), (1430, 196666), (1838, 153010), (2140, 131417), (2354, 119470), (2782, 101090), (2860, 98333), (3676, 76505), (4595, 61204), (4708, 59735), (5564, 50545), (5885, 47788), (6955, 40436), (9190, 30602), (10109, 27820), (11770, 23894), (11947, 23540), (13910, 20218), (15301, 18380)]