2040220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 5644800

約数和(自身を除く): 3604580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 59, 65, 70, 76, 91, 95, 118, 130, 133, 140, 182, 190, 236, 247, 260, 266, 295, 364, 380, 413, 455, 494, 532, 590, 665, 767, 826, 910, 988, 1121, 1180, 1235, 1330, 1534, 1652, 1729, 1820, 2065, 2242, 2470, 2660, 3068, 3458, 3835, 4130, 4484, 4940, 5369, 5605, 6916, 7670, 7847, 8260, 8645, 10738, 11210, 14573, 15340, 15694, 17290, 21476, 22420, 26845, 29146, 31388, 34580, 39235, 53690, 58292, 72865, 78470, 102011, 107380, 145730, 156940, 204022, 291460, 408044, 510055, 1020110, 2040220]

約数ペア:

[(1, 2040220), (2, 1020110), (4, 510055), (5, 408044), (7, 291460), (10, 204022), (13, 156940), (14, 145730), (19, 107380), (20, 102011), (26, 78470), (28, 72865), (35, 58292), (38, 53690), (52, 39235), (59, 34580), (65, 31388), (70, 29146), (76, 26845), (91, 22420), (95, 21476), (118, 17290), (130, 15694), (133, 15340), (140, 14573), (182, 11210), (190, 10738), (236, 8645), (247, 8260), (260, 7847), (266, 7670), (295, 6916), (364, 5605), (380, 5369), (413, 4940), (455, 4484), (494, 4130), (532, 3835), (590, 3458), (665, 3068), (767, 2660), (826, 2470), (910, 2242), (988, 2065), (1121, 1820), (1180, 1729), (1235, 1652), (1330, 1534)]