743457940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 1698278400

約数和(自身を除く): 954820460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 89, 158, 170, 178, 311, 316, 340, 356, 395, 445, 622, 790, 890, 1244, 1343, 1513, 1555, 1580, 1780, 2686, 3026, 3110, 5287, 5372, 6052, 6220, 6715, 7031, 7565, 10574, 13430, 14062, 15130, 21148, 24569, 26435, 26860, 27679, 28124, 30260, 35155, 49138, 52870, 55358, 70310, 98276, 105740, 110716, 119527, 122845, 138395, 140620, 239054, 245690, 276790, 417673, 470543, 478108, 491380, 553580, 597635, 835346, 941086, 1195270, 1670692, 1882172, 2088365, 2186641, 2352715, 2390540, 4176730, 4373282, 4705430, 8353460, 8746564, 9410860, 10933205, 21866410, 37172897, 43732820, 74345794, 148691588, 185864485, 371728970, 743457940]

約数ペア:

[(1, 743457940), (2, 371728970), (4, 185864485), (5, 148691588), (10, 74345794), (17, 43732820), (20, 37172897), (34, 21866410), (68, 10933205), (79, 9410860), (85, 8746564), (89, 8353460), (158, 4705430), (170, 4373282), (178, 4176730), (311, 2390540), (316, 2352715), (340, 2186641), (356, 2088365), (395, 1882172), (445, 1670692), (622, 1195270), (790, 941086), (890, 835346), (1244, 597635), (1343, 553580), (1513, 491380), (1555, 478108), (1580, 470543), (1780, 417673), (2686, 276790), (3026, 245690), (3110, 239054), (5287, 140620), (5372, 138395), (6052, 122845), (6220, 119527), (6715, 110716), (7031, 105740), (7565, 98276), (10574, 70310), (13430, 55358), (14062, 52870), (15130, 49138), (21148, 35155), (24569, 30260), (26435, 28124), (26860, 27679)]