201153820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 497511504

約数和(自身を除く): 296357684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2473, 2905, 4067, 4946, 5810, 8134, 9892, 11620, 12365, 16268, 17311, 20335, 24730, 34622, 40670, 49460, 69244, 81340, 86555, 121177, 173110, 205259, 242354, 346220, 410518, 484708, 605885, 821036, 1026295, 1211770, 1436813, 2052590, 2423540, 2873626, 4105180, 5747252, 7184065, 10057691, 14368130, 20115382, 28736260, 40230764, 50288455, 100576910, 201153820]

約数ペア:

[(1, 201153820), (2, 100576910), (4, 50288455), (5, 40230764), (7, 28736260), (10, 20115382), (14, 14368130), (20, 10057691), (28, 7184065), (35, 5747252), (49, 4105180), (70, 2873626), (83, 2423540), (98, 2052590), (140, 1436813), (166, 1211770), (196, 1026295), (245, 821036), (332, 605885), (415, 484708), (490, 410518), (581, 346220), (830, 242354), (980, 205259), (1162, 173110), (1660, 121177), (2324, 86555), (2473, 81340), (2905, 69244), (4067, 49460), (4946, 40670), (5810, 34622), (8134, 24730), (9892, 20335), (11620, 17311), (12365, 16268)]