51184420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 129419640

約数和(自身を除く): 78235220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 1801, 2030, 2842, 3602, 4060, 5684, 7105, 7204, 9005, 12607, 14210, 18010, 25214, 28420, 36020, 50428, 52229, 63035, 88249, 104458, 126070, 176498, 208916, 252140, 261145, 352996, 365603, 441245, 522290, 731206, 882490, 1044580, 1462412, 1764980, 1828015, 2559221, 3656030, 5118442, 7312060, 10236884, 12796105, 25592210, 51184420]

約数ペア:

[(1, 51184420), (2, 25592210), (4, 12796105), (5, 10236884), (7, 7312060), (10, 5118442), (14, 3656030), (20, 2559221), (28, 1828015), (29, 1764980), (35, 1462412), (49, 1044580), (58, 882490), (70, 731206), (98, 522290), (116, 441245), (140, 365603), (145, 352996), (196, 261145), (203, 252140), (245, 208916), (290, 176498), (406, 126070), (490, 104458), (580, 88249), (812, 63035), (980, 52229), (1015, 50428), (1421, 36020), (1801, 28420), (2030, 25214), (2842, 18010), (3602, 14210), (4060, 12607), (5684, 9005), (7105, 7204)]