51938740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 133781760

約数和(自身を除く): 81843020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 139, 140, 157, 170, 238, 278, 314, 340, 476, 556, 595, 628, 695, 785, 973, 1099, 1190, 1390, 1570, 1946, 2198, 2363, 2380, 2669, 2780, 3140, 3892, 4396, 4726, 4865, 5338, 5495, 9452, 9730, 10676, 10990, 11815, 13345, 16541, 18683, 19460, 21823, 21980, 23630, 26690, 33082, 37366, 43646, 47260, 53380, 66164, 74732, 82705, 87292, 93415, 109115, 152761, 165410, 186830, 218230, 305522, 330820, 370991, 373660, 436460, 611044, 741982, 763805, 1483964, 1527610, 1854955, 2596937, 3055220, 3709910, 5193874, 7419820, 10387748, 12984685, 25969370, 51938740]

約数ペア:

[(1, 51938740), (2, 25969370), (4, 12984685), (5, 10387748), (7, 7419820), (10, 5193874), (14, 3709910), (17, 3055220), (20, 2596937), (28, 1854955), (34, 1527610), (35, 1483964), (68, 763805), (70, 741982), (85, 611044), (119, 436460), (139, 373660), (140, 370991), (157, 330820), (170, 305522), (238, 218230), (278, 186830), (314, 165410), (340, 152761), (476, 109115), (556, 93415), (595, 87292), (628, 82705), (695, 74732), (785, 66164), (973, 53380), (1099, 47260), (1190, 43646), (1390, 37366), (1570, 33082), (1946, 26690), (2198, 23630), (2363, 21980), (2380, 21823), (2669, 19460), (2780, 18683), (3140, 16541), (3892, 13345), (4396, 11815), (4726, 10990), (4865, 10676), (5338, 9730), (5495, 9452)]