338113280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8573

約数の個数: 72

約数和(自身を含む): 836110464

約数和(自身を除く): 497997184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 8521, 9920, 17042, 19840, 34084, 39680, 42605, 68168, 85210, 136336, 170420, 264151, 272672, 340840, 528302, 545344, 681680, 1056604, 1090688, 1320755, 1363360, 2113208, 2181376, 2641510, 2726720, 4226416, 5283020, 5453440, 8452832, 10566040, 10906880, 16905664, 21132080, 33811328, 42264160, 67622656, 84528320, 169056640, 338113280]

約数ペア:

[(1, 338113280), (2, 169056640), (4, 84528320), (5, 67622656), (8, 42264160), (10, 33811328), (16, 21132080), (20, 16905664), (31, 10906880), (32, 10566040), (40, 8452832), (62, 5453440), (64, 5283020), (80, 4226416), (124, 2726720), (128, 2641510), (155, 2181376), (160, 2113208), (248, 1363360), (256, 1320755), (310, 1090688), (320, 1056604), (496, 681680), (620, 545344), (640, 528302), (992, 340840), (1240, 272672), (1280, 264151), (1984, 170420), (2480, 136336), (3968, 85210), (4960, 68168), (7936, 42605), (8521, 39680), (9920, 34084), (17042, 19840)]