7340840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 18748800

約数和(自身を除く): 11407960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 743, 760, 988, 1235, 1486, 1976, 2470, 2972, 3715, 4940, 5944, 7430, 9659, 9880, 14117, 14860, 19318, 28234, 29720, 38636, 48295, 56468, 70585, 77272, 96590, 112936, 141170, 183521, 193180, 282340, 367042, 386360, 564680, 734084, 917605, 1468168, 1835210, 3670420, 7340840]

約数ペア:

[(1, 7340840), (2, 3670420), (4, 1835210), (5, 1468168), (8, 917605), (10, 734084), (13, 564680), (19, 386360), (20, 367042), (26, 282340), (38, 193180), (40, 183521), (52, 141170), (65, 112936), (76, 96590), (95, 77272), (104, 70585), (130, 56468), (152, 48295), (190, 38636), (247, 29720), (260, 28234), (380, 19318), (494, 14860), (520, 14117), (743, 9880), (760, 9659), (988, 7430), (1235, 5944), (1486, 4940), (1976, 3715), (2470, 2972)]