42991780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 103229280

約数和(自身を除く): 60237500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 41, 52, 65, 74, 82, 109, 130, 148, 164, 185, 205, 218, 260, 370, 410, 436, 481, 533, 545, 740, 820, 962, 1066, 1090, 1417, 1517, 1924, 2132, 2180, 2405, 2665, 2834, 3034, 4033, 4469, 4810, 5330, 5668, 6068, 7085, 7585, 8066, 8938, 9620, 10660, 14170, 15170, 16132, 17876, 19721, 20165, 22345, 28340, 30340, 39442, 40330, 44690, 52429, 58097, 78884, 80660, 89380, 98605, 104858, 116194, 165353, 197210, 209716, 232388, 262145, 290485, 330706, 394420, 524290, 580970, 661412, 826765, 1048580, 1161940, 1653530, 2149589, 3307060, 4299178, 8598356, 10747945, 21495890, 42991780]

約数ペア:

[(1, 42991780), (2, 21495890), (4, 10747945), (5, 8598356), (10, 4299178), (13, 3307060), (20, 2149589), (26, 1653530), (37, 1161940), (41, 1048580), (52, 826765), (65, 661412), (74, 580970), (82, 524290), (109, 394420), (130, 330706), (148, 290485), (164, 262145), (185, 232388), (205, 209716), (218, 197210), (260, 165353), (370, 116194), (410, 104858), (436, 98605), (481, 89380), (533, 80660), (545, 78884), (740, 58097), (820, 52429), (962, 44690), (1066, 40330), (1090, 39442), (1417, 30340), (1517, 28340), (1924, 22345), (2132, 20165), (2180, 19721), (2405, 17876), (2665, 16132), (2834, 15170), (3034, 14170), (4033, 10660), (4469, 9620), (4810, 8938), (5330, 8066), (5668, 7585), (6068, 7085)]