2223320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 5667840

約数和(自身を除く): 3444520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 163, 220, 248, 310, 326, 341, 440, 620, 652, 682, 815, 1240, 1304, 1364, 1630, 1705, 1793, 2728, 3260, 3410, 3586, 5053, 6520, 6820, 7172, 8965, 10106, 13640, 14344, 17930, 20212, 25265, 35860, 40424, 50530, 55583, 71720, 101060, 111166, 202120, 222332, 277915, 444664, 555830, 1111660, 2223320]

約数ペア:

[(1, 2223320), (2, 1111660), (4, 555830), (5, 444664), (8, 277915), (10, 222332), (11, 202120), (20, 111166), (22, 101060), (31, 71720), (40, 55583), (44, 50530), (55, 40424), (62, 35860), (88, 25265), (110, 20212), (124, 17930), (155, 14344), (163, 13640), (220, 10106), (248, 8965), (310, 7172), (326, 6820), (341, 6520), (440, 5053), (620, 3586), (652, 3410), (682, 3260), (815, 2728), (1240, 1793), (1304, 1705), (1364, 1630)]