201214975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 288731520

約数和(自身を除く): 87516545

約数列:

[1, 5, 13, 17, 25, 65, 79, 85, 221, 325, 395, 425, 461, 1027, 1105, 1343, 1975, 2305, 5135, 5525, 5993, 6715, 7837, 11525, 17459, 25675, 29965, 33575, 36419, 39185, 87295, 101881, 149825, 182095, 195925, 436475, 473447, 509405, 619123, 910475, 2367235, 2547025, 3095615, 8048599, 11836175, 15478075, 40242995, 201214975]

約数ペア:

[(1, 201214975), (5, 40242995), (13, 15478075), (17, 11836175), (25, 8048599), (65, 3095615), (79, 2547025), (85, 2367235), (221, 910475), (325, 619123), (395, 509405), (425, 473447), (461, 436475), (1027, 195925), (1105, 182095), (1343, 149825), (1975, 101881), (2305, 87295), (5135, 39185), (5525, 36419), (5993, 33575), (6715, 29965), (7837, 25675), (11525, 17459)]