218212820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 550126080

約数和(自身を除く): 331913260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 284, 290, 355, 406, 497, 580, 710, 757, 812, 994, 1015, 1420, 1514, 1988, 2030, 2059, 2485, 3028, 3785, 4060, 4118, 4970, 5299, 7570, 8236, 9940, 10295, 10598, 14413, 15140, 20590, 21196, 21953, 26495, 28826, 41180, 43906, 52990, 53747, 57652, 72065, 87812, 105980, 107494, 109765, 144130, 153671, 214988, 219530, 268735, 288260, 307342, 376229, 439060, 537470, 614684, 752458, 768355, 1074940, 1504916, 1536710, 1558663, 1881145, 3073420, 3117326, 3762290, 6234652, 7524580, 7793315, 10910641, 15586630, 21821282, 31173260, 43642564, 54553205, 109106410, 218212820]

約数ペア:

[(1, 218212820), (2, 109106410), (4, 54553205), (5, 43642564), (7, 31173260), (10, 21821282), (14, 15586630), (20, 10910641), (28, 7793315), (29, 7524580), (35, 6234652), (58, 3762290), (70, 3117326), (71, 3073420), (116, 1881145), (140, 1558663), (142, 1536710), (145, 1504916), (203, 1074940), (284, 768355), (290, 752458), (355, 614684), (406, 537470), (497, 439060), (580, 376229), (710, 307342), (757, 288260), (812, 268735), (994, 219530), (1015, 214988), (1420, 153671), (1514, 144130), (1988, 109765), (2030, 107494), (2059, 105980), (2485, 87812), (3028, 72065), (3785, 57652), (4060, 53747), (4118, 52990), (4970, 43906), (5299, 41180), (7570, 28826), (8236, 26495), (9940, 21953), (10295, 21196), (10598, 20590), (14413, 15140)]