2015299900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{859}}^1$

素因数の和:1711

約数の個数: 72

約数和(自身を含む): 4534866000

約数和(自身を除く): 2519566100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 809, 859, 1450, 1618, 1718, 2900, 3236, 3436, 4045, 4295, 8090, 8590, 16180, 17180, 20225, 21475, 23461, 24911, 40450, 42950, 46922, 49822, 80900, 85900, 93844, 99644, 117305, 124555, 234610, 249110, 469220, 498220, 586525, 622775, 694931, 1173050, 1245550, 1389862, 2346100, 2491100, 2779724, 3474655, 6949310, 13898620, 17373275, 20152999, 34746550, 40305998, 69493100, 80611996, 100764995, 201529990, 403059980, 503824975, 1007649950, 2015299900]

約数ペア:

[(1, 2015299900), (2, 1007649950), (4, 503824975), (5, 403059980), (10, 201529990), (20, 100764995), (25, 80611996), (29, 69493100), (50, 40305998), (58, 34746550), (100, 20152999), (116, 17373275), (145, 13898620), (290, 6949310), (580, 3474655), (725, 2779724), (809, 2491100), (859, 2346100), (1450, 1389862), (1618, 1245550), (1718, 1173050), (2900, 694931), (3236, 622775), (3436, 586525), (4045, 498220), (4295, 469220), (8090, 249110), (8590, 234610), (16180, 124555), (17180, 117305), (20225, 99644), (21475, 93844), (23461, 85900), (24911, 80900), (40450, 49822), (42950, 46922)]