921979940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1585

約数の個数: 96

約数和(自身を含む): 2339635200

約数和(自身を除く): 1417655260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 271, 380, 532, 542, 665, 1084, 1279, 1330, 1355, 1897, 2558, 2660, 2710, 3794, 5116, 5149, 5420, 6395, 7588, 8953, 9485, 10298, 12790, 17906, 18970, 20596, 24301, 25580, 25745, 35812, 36043, 37940, 44765, 48602, 51490, 72086, 89530, 97204, 102980, 121505, 144172, 170107, 179060, 180215, 243010, 340214, 346609, 360430, 486020, 680428, 693218, 720860, 850535, 1386436, 1701070, 1733045, 2426263, 3402140, 3466090, 4852526, 6585571, 6932180, 9705052, 12131315, 13171142, 24262630, 26342284, 32927855, 46098997, 48525260, 65855710, 92197994, 131711420, 184395988, 230494985, 460989970, 921979940]

約数ペア:

[(1, 921979940), (2, 460989970), (4, 230494985), (5, 184395988), (7, 131711420), (10, 92197994), (14, 65855710), (19, 48525260), (20, 46098997), (28, 32927855), (35, 26342284), (38, 24262630), (70, 13171142), (76, 12131315), (95, 9705052), (133, 6932180), (140, 6585571), (190, 4852526), (266, 3466090), (271, 3402140), (380, 2426263), (532, 1733045), (542, 1701070), (665, 1386436), (1084, 850535), (1279, 720860), (1330, 693218), (1355, 680428), (1897, 486020), (2558, 360430), (2660, 346609), (2710, 340214), (3794, 243010), (5116, 180215), (5149, 179060), (5420, 170107), (6395, 144172), (7588, 121505), (8953, 102980), (9485, 97204), (10298, 89530), (12790, 72086), (17906, 51490), (18970, 48602), (20596, 44765), (24301, 37940), (25580, 36043), (25745, 35812)]