289773640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15061}}^1$

素因数の和:15122

約数の個数: 64

約数和(自身を含む): 721168560

約数和(自身を除く): 431394920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 15061, 19240, 30122, 60244, 75305, 120488, 150610, 195793, 301220, 391586, 557257, 602440, 783172, 978965, 1114514, 1566344, 1957930, 2229028, 2786285, 3915860, 4458056, 5572570, 7244341, 7831720, 11145140, 14488682, 22290280, 28977364, 36221705, 57954728, 72443410, 144886820, 289773640]

約数ペア:

[(1, 289773640), (2, 144886820), (4, 72443410), (5, 57954728), (8, 36221705), (10, 28977364), (13, 22290280), (20, 14488682), (26, 11145140), (37, 7831720), (40, 7244341), (52, 5572570), (65, 4458056), (74, 3915860), (104, 2786285), (130, 2229028), (148, 1957930), (185, 1566344), (260, 1114514), (296, 978965), (370, 783172), (481, 602440), (520, 557257), (740, 391586), (962, 301220), (1480, 195793), (1924, 150610), (2405, 120488), (3848, 75305), (4810, 60244), (9620, 30122), (15061, 19240)]