222899920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 570106368

約数和(自身を除く): 347206448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 289, 310, 311, 340, 496, 527, 578, 620, 622, 680, 1054, 1156, 1240, 1244, 1360, 1445, 1555, 2108, 2312, 2480, 2488, 2635, 2890, 3110, 4216, 4624, 4976, 5270, 5287, 5780, 6220, 8432, 8959, 9641, 10540, 10574, 11560, 12440, 17918, 19282, 21080, 21148, 23120, 24880, 26435, 35836, 38564, 42160, 42296, 44795, 48205, 52870, 71672, 77128, 84592, 89590, 89879, 96410, 105740, 143344, 154256, 163897, 179180, 179758, 192820, 211480, 327794, 358360, 359516, 385640, 422960, 449395, 655588, 716720, 719032, 771280, 819485, 898790, 1311176, 1438064, 1638970, 1797580, 2622352, 2786249, 3277940, 3595160, 5572498, 6555880, 7190320, 11144996, 13111760, 13931245, 22289992, 27862490, 44579984, 55724980, 111449960, 222899920]

約数ペア:

[(1, 222899920), (2, 111449960), (4, 55724980), (5, 44579984), (8, 27862490), (10, 22289992), (16, 13931245), (17, 13111760), (20, 11144996), (31, 7190320), (34, 6555880), (40, 5572498), (62, 3595160), (68, 3277940), (80, 2786249), (85, 2622352), (124, 1797580), (136, 1638970), (155, 1438064), (170, 1311176), (248, 898790), (272, 819485), (289, 771280), (310, 719032), (311, 716720), (340, 655588), (496, 449395), (527, 422960), (578, 385640), (620, 359516), (622, 358360), (680, 327794), (1054, 211480), (1156, 192820), (1240, 179758), (1244, 179180), (1360, 163897), (1445, 154256), (1555, 143344), (2108, 105740), (2312, 96410), (2480, 89879), (2488, 89590), (2635, 84592), (2890, 77128), (3110, 71672), (4216, 52870), (4624, 48205), (4976, 44795), (5270, 42296), (5287, 42160), (5780, 38564), (6220, 35836), (8432, 26435), (8959, 24880), (9641, 23120), (10540, 21148), (10574, 21080), (11560, 19282), (12440, 17918)]