395946880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2908

約数の個数: 128

約数和(自身を含む): 1117071360

約数和(自身を除く): 721124480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 2851, 3472, 3968, 4340, 4480, 4960, 5702, 6944, 8680, 9920, 11404, 13888, 14255, 17360, 19840, 19957, 22808, 27776, 28510, 34720, 39914, 45616, 57020, 69440, 79828, 88381, 91232, 99785, 114040, 138880, 159656, 176762, 182464, 199570, 228080, 319312, 353524, 364928, 399140, 441905, 456160, 618667, 638624, 707048, 798280, 883810, 912320, 1237334, 1277248, 1414096, 1596560, 1767620, 1824640, 2474668, 2554496, 2828192, 3093335, 3193120, 3535240, 4949336, 5656384, 6186670, 6386240, 7070480, 9898672, 11312768, 12373340, 12772480, 14140960, 19797344, 24746680, 28281920, 39594688, 49493360, 56563840, 79189376, 98986720, 197973440, 395946880]

約数ペア:

[(1, 395946880), (2, 197973440), (4, 98986720), (5, 79189376), (7, 56563840), (8, 49493360), (10, 39594688), (14, 28281920), (16, 24746680), (20, 19797344), (28, 14140960), (31, 12772480), (32, 12373340), (35, 11312768), (40, 9898672), (56, 7070480), (62, 6386240), (64, 6186670), (70, 5656384), (80, 4949336), (112, 3535240), (124, 3193120), (128, 3093335), (140, 2828192), (155, 2554496), (160, 2474668), (217, 1824640), (224, 1767620), (248, 1596560), (280, 1414096), (310, 1277248), (320, 1237334), (434, 912320), (448, 883810), (496, 798280), (560, 707048), (620, 638624), (640, 618667), (868, 456160), (896, 441905), (992, 399140), (1085, 364928), (1120, 353524), (1240, 319312), (1736, 228080), (1984, 199570), (2170, 182464), (2240, 176762), (2480, 159656), (2851, 138880), (3472, 114040), (3968, 99785), (4340, 91232), (4480, 88381), (4960, 79828), (5702, 69440), (6944, 57020), (8680, 45616), (9920, 39914), (11404, 34720), (13888, 28510), (14255, 27776), (17360, 22808), (19840, 19957)]