308889684

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 795500160

約数和(自身を除く): 486610476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 313, 316, 347, 474, 626, 694, 711, 939, 948, 1041, 1252, 1388, 1422, 1878, 2082, 2817, 2844, 3123, 3756, 4164, 5634, 6246, 11268, 12492, 24727, 27413, 49454, 54826, 74181, 82239, 98908, 108611, 109652, 148362, 164478, 217222, 222543, 246717, 296724, 325833, 328956, 434444, 445086, 493434, 651666, 890172, 977499, 986868, 1303332, 1954998, 3909996, 8580269, 17160538, 25740807, 34321076, 51481614, 77222421, 102963228, 154444842, 308889684]

約数ペア:

[(1, 308889684), (2, 154444842), (3, 102963228), (4, 77222421), (6, 51481614), (9, 34321076), (12, 25740807), (18, 17160538), (36, 8580269), (79, 3909996), (158, 1954998), (237, 1303332), (313, 986868), (316, 977499), (347, 890172), (474, 651666), (626, 493434), (694, 445086), (711, 434444), (939, 328956), (948, 325833), (1041, 296724), (1252, 246717), (1388, 222543), (1422, 217222), (1878, 164478), (2082, 148362), (2817, 109652), (2844, 108611), (3123, 98908), (3756, 82239), (4164, 74181), (5634, 54826), (6246, 49454), (11268, 27413), (12492, 24727)]