71349290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 67996630

約数列:

[1, 2, 5, 10, 31, 47, 59, 62, 83, 94, 118, 155, 166, 235, 295, 310, 415, 470, 590, 830, 1457, 1829, 2573, 2773, 2914, 3658, 3901, 4897, 5146, 5546, 7285, 7802, 9145, 9794, 12865, 13865, 14570, 18290, 19505, 24485, 25730, 27730, 39010, 48970, 85963, 120931, 151807, 171926, 230159, 241862, 303614, 429815, 460318, 604655, 759035, 859630, 1150795, 1209310, 1518070, 2301590, 7134929, 14269858, 35674645, 71349290]

約数ペア:

[(1, 71349290), (2, 35674645), (5, 14269858), (10, 7134929), (31, 2301590), (47, 1518070), (59, 1209310), (62, 1150795), (83, 859630), (94, 759035), (118, 604655), (155, 460318), (166, 429815), (235, 303614), (295, 241862), (310, 230159), (415, 171926), (470, 151807), (590, 120931), (830, 85963), (1457, 48970), (1829, 39010), (2573, 27730), (2773, 25730), (2914, 24485), (3658, 19505), (3901, 18290), (4897, 14570), (5146, 13865), (5546, 12865), (7285, 9794), (7802, 9145)]