2227720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5624640

約数和(自身を除く): 3396920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 83, 88, 110, 122, 166, 220, 244, 305, 332, 415, 440, 488, 610, 664, 671, 830, 913, 1220, 1342, 1660, 1826, 2440, 2684, 3320, 3355, 3652, 4565, 5063, 5368, 6710, 7304, 9130, 10126, 13420, 18260, 20252, 25315, 26840, 36520, 40504, 50630, 55693, 101260, 111386, 202520, 222772, 278465, 445544, 556930, 1113860, 2227720]

約数ペア:

[(1, 2227720), (2, 1113860), (4, 556930), (5, 445544), (8, 278465), (10, 222772), (11, 202520), (20, 111386), (22, 101260), (40, 55693), (44, 50630), (55, 40504), (61, 36520), (83, 26840), (88, 25315), (110, 20252), (122, 18260), (166, 13420), (220, 10126), (244, 9130), (305, 7304), (332, 6710), (415, 5368), (440, 5063), (488, 4565), (610, 3652), (664, 3355), (671, 3320), (830, 2684), (913, 2440), (1220, 1826), (1342, 1660)]