40299380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 60339340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 311, 341, 380, 418, 589, 620, 622, 682, 836, 1045, 1178, 1244, 1364, 1555, 1705, 2090, 2356, 2945, 3110, 3410, 3421, 4180, 5890, 5909, 6220, 6479, 6820, 6842, 9641, 11780, 11818, 12958, 13684, 17105, 19282, 23636, 25916, 29545, 32395, 34210, 38564, 48205, 59090, 64790, 64999, 68420, 96410, 106051, 118180, 129580, 129998, 183179, 192820, 212102, 259996, 324995, 366358, 424204, 530255, 649990, 732716, 915895, 1060510, 1299980, 1831790, 2014969, 2121020, 3663580, 4029938, 8059876, 10074845, 20149690, 40299380]

約数ペア:

[(1, 40299380), (2, 20149690), (4, 10074845), (5, 8059876), (10, 4029938), (11, 3663580), (19, 2121020), (20, 2014969), (22, 1831790), (31, 1299980), (38, 1060510), (44, 915895), (55, 732716), (62, 649990), (76, 530255), (95, 424204), (110, 366358), (124, 324995), (155, 259996), (190, 212102), (209, 192820), (220, 183179), (310, 129998), (311, 129580), (341, 118180), (380, 106051), (418, 96410), (589, 68420), (620, 64999), (622, 64790), (682, 59090), (836, 48205), (1045, 38564), (1178, 34210), (1244, 32395), (1364, 29545), (1555, 25916), (1705, 23636), (2090, 19282), (2356, 17105), (2945, 13684), (3110, 12958), (3410, 11818), (3421, 11780), (4180, 9641), (5890, 6842), (5909, 6820), (6220, 6479)]