140215852

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 301529088

約数和(自身を除く): 161313236

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 49, 62, 94, 98, 124, 188, 196, 217, 329, 434, 491, 658, 868, 982, 1316, 1457, 1519, 1964, 2303, 2914, 3038, 3437, 4606, 5828, 6076, 6874, 9212, 10199, 13748, 15221, 20398, 23077, 24059, 30442, 40796, 46154, 48118, 60884, 71393, 92308, 96236, 106547, 142786, 161539, 213094, 285572, 323078, 426188, 646156, 715387, 745829, 1130773, 1430774, 1491658, 2261546, 2861548, 2983316, 4523092, 5007709, 10015418, 20030836, 35053963, 70107926, 140215852]

約数ペア:

[(1, 140215852), (2, 70107926), (4, 35053963), (7, 20030836), (14, 10015418), (28, 5007709), (31, 4523092), (47, 2983316), (49, 2861548), (62, 2261546), (94, 1491658), (98, 1430774), (124, 1130773), (188, 745829), (196, 715387), (217, 646156), (329, 426188), (434, 323078), (491, 285572), (658, 213094), (868, 161539), (982, 142786), (1316, 106547), (1457, 96236), (1519, 92308), (1964, 71393), (2303, 60884), (2914, 48118), (3038, 46154), (3437, 40796), (4606, 30442), (5828, 24059), (6076, 23077), (6874, 20398), (9212, 15221), (10199, 13748)]