505239280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69401}}^1$

素因数の和:69434

約数の個数: 80

約数和(自身を含む): 1445782464

約数和(自身を除く): 940543184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 69401, 138802, 277604, 347005, 485807, 555208, 694010, 902213, 971614, 1110416, 1388020, 1804426, 1943228, 2429035, 2776040, 3608852, 3886456, 4511065, 4858070, 5552080, 6315491, 7217704, 7772912, 9022130, 9716140, 12630982, 14435408, 18044260, 19432280, 25261964, 31577455, 36088520, 38864560, 50523928, 63154910, 72177040, 101047856, 126309820, 252619640, 505239280]

約数ペア:

[(1, 505239280), (2, 252619640), (4, 126309820), (5, 101047856), (7, 72177040), (8, 63154910), (10, 50523928), (13, 38864560), (14, 36088520), (16, 31577455), (20, 25261964), (26, 19432280), (28, 18044260), (35, 14435408), (40, 12630982), (52, 9716140), (56, 9022130), (65, 7772912), (70, 7217704), (80, 6315491), (91, 5552080), (104, 4858070), (112, 4511065), (130, 3886456), (140, 3608852), (182, 2776040), (208, 2429035), (260, 1943228), (280, 1804426), (364, 1388020), (455, 1110416), (520, 971614), (560, 902213), (728, 694010), (910, 555208), (1040, 485807), (1456, 347005), (1820, 277604), (3640, 138802), (7280, 69401)]