177330740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12721}}^1$

素因数の和:12788

約数の個数: 48

約数和(自身を含む): 403948944

約数和(自身を除く): 226618204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 12721, 13940, 25442, 50884, 63605, 127210, 216257, 254420, 432514, 521561, 865028, 1043122, 1081285, 2086244, 2162570, 2607805, 4325140, 5215610, 8866537, 10431220, 17733074, 35466148, 44332685, 88665370, 177330740]

約数ペア:

[(1, 177330740), (2, 88665370), (4, 44332685), (5, 35466148), (10, 17733074), (17, 10431220), (20, 8866537), (34, 5215610), (41, 4325140), (68, 2607805), (82, 2162570), (85, 2086244), (164, 1081285), (170, 1043122), (205, 865028), (340, 521561), (410, 432514), (697, 254420), (820, 216257), (1394, 127210), (2788, 63605), (3485, 50884), (6970, 25442), (12721, 13940)]