55724980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 128733696

約数和(自身を除く): 73008716

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 311, 340, 527, 578, 620, 622, 1054, 1156, 1244, 1445, 1555, 2108, 2635, 2890, 3110, 5270, 5287, 5780, 6220, 8959, 9641, 10540, 10574, 17918, 19282, 21148, 26435, 35836, 38564, 44795, 48205, 52870, 89590, 89879, 96410, 105740, 163897, 179180, 179758, 192820, 327794, 359516, 449395, 655588, 819485, 898790, 1638970, 1797580, 2786249, 3277940, 5572498, 11144996, 13931245, 27862490, 55724980]

約数ペア:

[(1, 55724980), (2, 27862490), (4, 13931245), (5, 11144996), (10, 5572498), (17, 3277940), (20, 2786249), (31, 1797580), (34, 1638970), (62, 898790), (68, 819485), (85, 655588), (124, 449395), (155, 359516), (170, 327794), (289, 192820), (310, 179758), (311, 179180), (340, 163897), (527, 105740), (578, 96410), (620, 89879), (622, 89590), (1054, 52870), (1156, 48205), (1244, 44795), (1445, 38564), (1555, 35836), (2108, 26435), (2635, 21148), (2890, 19282), (3110, 17918), (5270, 10574), (5287, 10540), (5780, 9641), (6220, 8959)]