1310292340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{78649}}^1$

素因数の和:78689

約数の個数: 72

約数和(自身を含む): 3389185800

約数和(自身を除く): 2078893460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 78649, 157298, 314596, 393245, 550543, 786490, 1101086, 1337033, 1572980, 2202172, 2674066, 2752715, 3853801, 5348132, 5505430, 6685165, 7707602, 9359231, 11010860, 13370330, 15415204, 18718462, 19269005, 26740660, 37436924, 38538010, 46796155, 65514617, 77076020, 93592310, 131029234, 187184620, 262058468, 327573085, 655146170, 1310292340]

約数ペア:

[(1, 1310292340), (2, 655146170), (4, 327573085), (5, 262058468), (7, 187184620), (10, 131029234), (14, 93592310), (17, 77076020), (20, 65514617), (28, 46796155), (34, 38538010), (35, 37436924), (49, 26740660), (68, 19269005), (70, 18718462), (85, 15415204), (98, 13370330), (119, 11010860), (140, 9359231), (170, 7707602), (196, 6685165), (238, 5505430), (245, 5348132), (340, 3853801), (476, 2752715), (490, 2674066), (595, 2202172), (833, 1572980), (980, 1337033), (1190, 1101086), (1666, 786490), (2380, 550543), (3332, 393245), (4165, 314596), (8330, 157298), (16660, 78649)]