998370500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1662

約数の個数: 96

約数和(自身を含む): 2307142656

約数和(自身を除く): 1308772156

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 125, 155, 164, 205, 250, 310, 410, 500, 620, 775, 820, 1025, 1271, 1550, 1571, 2050, 2542, 3100, 3142, 3875, 4100, 5084, 5125, 6284, 6355, 7750, 7855, 10250, 12710, 15500, 15710, 20500, 25420, 31420, 31775, 39275, 48701, 63550, 64411, 78550, 97402, 127100, 128822, 157100, 158875, 194804, 196375, 243505, 257644, 317750, 322055, 392750, 487010, 635500, 644110, 785500, 974020, 1217525, 1288220, 1610275, 1996741, 2435050, 3220550, 3993482, 4870100, 6087625, 6441100, 7986964, 8051375, 9983705, 12175250, 16102750, 19967410, 24350500, 32205500, 39934820, 49918525, 99837050, 199674100, 249592625, 499185250, 998370500]

約数ペア:

[(1, 998370500), (2, 499185250), (4, 249592625), (5, 199674100), (10, 99837050), (20, 49918525), (25, 39934820), (31, 32205500), (41, 24350500), (50, 19967410), (62, 16102750), (82, 12175250), (100, 9983705), (124, 8051375), (125, 7986964), (155, 6441100), (164, 6087625), (205, 4870100), (250, 3993482), (310, 3220550), (410, 2435050), (500, 1996741), (620, 1610275), (775, 1288220), (820, 1217525), (1025, 974020), (1271, 785500), (1550, 644110), (1571, 635500), (2050, 487010), (2542, 392750), (3100, 322055), (3142, 317750), (3875, 257644), (4100, 243505), (5084, 196375), (5125, 194804), (6284, 158875), (6355, 157100), (7750, 128822), (7855, 127100), (10250, 97402), (12710, 78550), (15500, 64411), (15710, 63550), (20500, 48701), (25420, 39275), (31420, 31775)]