71386490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 154165248

約数和(自身を除く): 82778758

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 67, 70, 134, 155, 217, 310, 335, 434, 469, 491, 670, 938, 982, 1085, 2077, 2170, 2345, 2455, 3437, 4154, 4690, 4910, 6874, 10385, 14539, 15221, 17185, 20770, 29078, 30442, 32897, 34370, 65794, 72695, 76105, 106547, 145390, 152210, 164485, 213094, 230279, 328970, 460558, 532735, 1019807, 1065470, 1151395, 2039614, 2302790, 5099035, 7138649, 10198070, 14277298, 35693245, 71386490]

約数ペア:

[(1, 71386490), (2, 35693245), (5, 14277298), (7, 10198070), (10, 7138649), (14, 5099035), (31, 2302790), (35, 2039614), (62, 1151395), (67, 1065470), (70, 1019807), (134, 532735), (155, 460558), (217, 328970), (310, 230279), (335, 213094), (434, 164485), (469, 152210), (491, 145390), (670, 106547), (938, 76105), (982, 72695), (1085, 65794), (2077, 34370), (2170, 32897), (2345, 30442), (2455, 29078), (3437, 20770), (4154, 17185), (4690, 15221), (4910, 14539), (6874, 10385)]