290461284

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5981}}^1$

素因数の和:6081

約数の個数: 72

約数和(自身を含む): 783881280

約数和(自身を除く): 493419996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 639, 684, 852, 1278, 1349, 2556, 2698, 4047, 5396, 5981, 8094, 11962, 12141, 16188, 17943, 23924, 24282, 35886, 48564, 53829, 71772, 107658, 113639, 215316, 227278, 340917, 424651, 454556, 681834, 849302, 1022751, 1273953, 1363668, 1698604, 2045502, 2547906, 3821859, 4091004, 5095812, 7643718, 8068369, 15287436, 16136738, 24205107, 32273476, 48410214, 72615321, 96820428, 145230642, 290461284]

約数ペア:

[(1, 290461284), (2, 145230642), (3, 96820428), (4, 72615321), (6, 48410214), (9, 32273476), (12, 24205107), (18, 16136738), (19, 15287436), (36, 8068369), (38, 7643718), (57, 5095812), (71, 4091004), (76, 3821859), (114, 2547906), (142, 2045502), (171, 1698604), (213, 1363668), (228, 1273953), (284, 1022751), (342, 849302), (426, 681834), (639, 454556), (684, 424651), (852, 340917), (1278, 227278), (1349, 215316), (2556, 113639), (2698, 107658), (4047, 71772), (5396, 53829), (5981, 48564), (8094, 35886), (11962, 24282), (12141, 23924), (16188, 17943)]