406688260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 945419328

約数和(自身を除く): 538731068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 163, 220, 242, 326, 484, 605, 652, 815, 1031, 1210, 1630, 1793, 2062, 2420, 3260, 3586, 4124, 5155, 7172, 8965, 10310, 11341, 17930, 19723, 20620, 22682, 35860, 39446, 45364, 56705, 78892, 98615, 113410, 124751, 168053, 197230, 226820, 249502, 336106, 394460, 499004, 623755, 672212, 840265, 1247510, 1680530, 1848583, 2495020, 3361060, 3697166, 7394332, 9242915, 18485830, 20334413, 36971660, 40668826, 81337652, 101672065, 203344130, 406688260]

約数ペア:

[(1, 406688260), (2, 203344130), (4, 101672065), (5, 81337652), (10, 40668826), (11, 36971660), (20, 20334413), (22, 18485830), (44, 9242915), (55, 7394332), (110, 3697166), (121, 3361060), (163, 2495020), (220, 1848583), (242, 1680530), (326, 1247510), (484, 840265), (605, 672212), (652, 623755), (815, 499004), (1031, 394460), (1210, 336106), (1630, 249502), (1793, 226820), (2062, 197230), (2420, 168053), (3260, 124751), (3586, 113410), (4124, 98615), (5155, 78892), (7172, 56705), (8965, 45364), (10310, 39446), (11341, 35860), (17930, 22682), (19723, 20620)]