172783460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6564

約数の個数: 48

約数和(自身を含む): 383319552

約数和(自身を除く): 210536092

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6481, 6665, 12962, 13330, 25924, 26660, 32405, 64810, 129620, 200911, 278683, 401822, 557366, 803644, 1004555, 1114732, 1393415, 2009110, 2786830, 4018220, 5573660, 8639173, 17278346, 34556692, 43195865, 86391730, 172783460]

約数ペア:

[(1, 172783460), (2, 86391730), (4, 43195865), (5, 34556692), (10, 17278346), (20, 8639173), (31, 5573660), (43, 4018220), (62, 2786830), (86, 2009110), (124, 1393415), (155, 1114732), (172, 1004555), (215, 803644), (310, 557366), (430, 401822), (620, 278683), (860, 200911), (1333, 129620), (2666, 64810), (5332, 32405), (6481, 26660), (6665, 25924), (12962, 13330)]