47922980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 118742400

約数和(自身を除く): 70819420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 619, 790, 980, 1106, 1238, 1580, 2212, 2476, 2765, 3095, 3871, 4333, 5530, 6190, 7742, 8666, 11060, 12380, 15484, 17332, 19355, 21665, 30331, 38710, 43330, 48901, 60662, 77420, 86660, 97802, 121324, 151655, 195604, 244505, 303310, 342307, 489010, 606620, 684614, 978020, 1369228, 1711535, 2396149, 3423070, 4792298, 6846140, 9584596, 11980745, 23961490, 47922980]

約数ペア:

[(1, 47922980), (2, 23961490), (4, 11980745), (5, 9584596), (7, 6846140), (10, 4792298), (14, 3423070), (20, 2396149), (28, 1711535), (35, 1369228), (49, 978020), (70, 684614), (79, 606620), (98, 489010), (140, 342307), (158, 303310), (196, 244505), (245, 195604), (316, 151655), (395, 121324), (490, 97802), (553, 86660), (619, 77420), (790, 60662), (980, 48901), (1106, 43330), (1238, 38710), (1580, 30331), (2212, 21665), (2476, 19355), (2765, 17332), (3095, 15484), (3871, 12380), (4333, 11060), (5530, 8666), (6190, 7742)]