209940228

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 572006400

約数和(自身を除く): 362066172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 223, 276, 379, 414, 446, 621, 669, 758, 828, 892, 1137, 1242, 1338, 1516, 2007, 2274, 2484, 2676, 3411, 4014, 4548, 5129, 6021, 6822, 8028, 8717, 10233, 10258, 12042, 13644, 15387, 17434, 20466, 20516, 24084, 26151, 30774, 34868, 40932, 46161, 52302, 61548, 78453, 84517, 92322, 104604, 138483, 156906, 169034, 184644, 235359, 253551, 276966, 313812, 338068, 470718, 507102, 553932, 760653, 941436, 1014204, 1521306, 1943891, 2281959, 3042612, 3887782, 4563918, 5831673, 7775564, 9127836, 11663346, 17495019, 23326692, 34990038, 52485057, 69980076, 104970114, 209940228]

約数ペア:

[(1, 209940228), (2, 104970114), (3, 69980076), (4, 52485057), (6, 34990038), (9, 23326692), (12, 17495019), (18, 11663346), (23, 9127836), (27, 7775564), (36, 5831673), (46, 4563918), (54, 3887782), (69, 3042612), (92, 2281959), (108, 1943891), (138, 1521306), (207, 1014204), (223, 941436), (276, 760653), (379, 553932), (414, 507102), (446, 470718), (621, 338068), (669, 313812), (758, 276966), (828, 253551), (892, 235359), (1137, 184644), (1242, 169034), (1338, 156906), (1516, 138483), (2007, 104604), (2274, 92322), (2484, 84517), (2676, 78453), (3411, 61548), (4014, 52302), (4548, 46161), (5129, 40932), (6021, 34868), (6822, 30774), (8028, 26151), (8717, 24084), (10233, 20516), (10258, 20466), (12042, 17434), (13644, 15387)]