2100023980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1\times {\mathrm{4783}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 4569102720

約数和(自身を除く): 2469078740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 757, 1514, 3028, 3785, 4783, 7570, 9566, 15140, 19132, 21953, 23915, 43906, 47830, 87812, 95660, 109765, 138707, 219530, 277414, 439060, 554828, 693535, 1387070, 2774140, 3620731, 7241462, 14482924, 18103655, 36207310, 72414620, 105001199, 210002398, 420004796, 525005995, 1050011990, 2100023980]

約数ペア:

[(1, 2100023980), (2, 1050011990), (4, 525005995), (5, 420004796), (10, 210002398), (20, 105001199), (29, 72414620), (58, 36207310), (116, 18103655), (145, 14482924), (290, 7241462), (580, 3620731), (757, 2774140), (1514, 1387070), (3028, 693535), (3785, 554828), (4783, 439060), (7570, 277414), (9566, 219530), (15140, 138707), (19132, 109765), (21953, 95660), (23915, 87812), (43906, 47830)]