27931540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 73382400

約数和(自身を除く): 45450860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 140, 149, 182, 206, 260, 298, 364, 412, 455, 515, 596, 721, 745, 910, 1030, 1043, 1339, 1442, 1490, 1820, 1937, 2060, 2086, 2678, 2884, 2980, 3605, 3874, 4172, 5215, 5356, 6695, 7210, 7748, 9373, 9685, 10430, 13390, 13559, 14420, 15347, 18746, 19370, 20860, 26780, 27118, 30694, 37492, 38740, 46865, 54236, 61388, 67795, 76735, 93730, 107429, 135590, 153470, 187460, 199511, 214858, 271180, 306940, 399022, 429716, 537145, 798044, 997555, 1074290, 1396577, 1995110, 2148580, 2793154, 3990220, 5586308, 6982885, 13965770, 27931540]

約数ペア:

[(1, 27931540), (2, 13965770), (4, 6982885), (5, 5586308), (7, 3990220), (10, 2793154), (13, 2148580), (14, 1995110), (20, 1396577), (26, 1074290), (28, 997555), (35, 798044), (52, 537145), (65, 429716), (70, 399022), (91, 306940), (103, 271180), (130, 214858), (140, 199511), (149, 187460), (182, 153470), (206, 135590), (260, 107429), (298, 93730), (364, 76735), (412, 67795), (455, 61388), (515, 54236), (596, 46865), (721, 38740), (745, 37492), (910, 30694), (1030, 27118), (1043, 26780), (1339, 20860), (1442, 19370), (1490, 18746), (1820, 15347), (1937, 14420), (2060, 13559), (2086, 13390), (2678, 10430), (2884, 9685), (2980, 9373), (3605, 7748), (3874, 7210), (4172, 6695), (5215, 5356)]