320505248

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38671}}^1$

素因数の和:38725

約数の個数: 48

約数和(自身を含む): 740646144

約数和(自身を除く): 420140896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 4144, 8288, 38671, 77342, 154684, 270697, 309368, 541394, 618736, 1082788, 1237472, 1430827, 2165576, 2861654, 4331152, 5723308, 8662304, 10015789, 11446616, 20031578, 22893232, 40063156, 45786464, 80126312, 160252624, 320505248]

約数ペア:

[(1, 320505248), (2, 160252624), (4, 80126312), (7, 45786464), (8, 40063156), (14, 22893232), (16, 20031578), (28, 11446616), (32, 10015789), (37, 8662304), (56, 5723308), (74, 4331152), (112, 2861654), (148, 2165576), (224, 1430827), (259, 1237472), (296, 1082788), (518, 618736), (592, 541394), (1036, 309368), (1184, 270697), (2072, 154684), (4144, 77342), (8288, 38671)]