389896140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:727

約数の個数: 96

約数和(自身を含む): 1116428544

約数和(自身を除く): 726532404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 307, 347, 366, 610, 614, 694, 732, 915, 921, 1041, 1220, 1228, 1388, 1535, 1735, 1830, 1842, 2082, 3070, 3470, 3660, 3684, 4164, 4605, 5205, 6140, 6940, 9210, 10410, 18420, 18727, 20820, 21167, 37454, 42334, 56181, 63501, 74908, 84668, 93635, 105835, 106529, 112362, 127002, 187270, 211670, 213058, 224724, 254004, 280905, 317505, 319587, 374540, 423340, 426116, 532645, 561810, 635010, 639174, 1065290, 1123620, 1270020, 1278348, 1597935, 2130580, 3195870, 6391740, 6498269, 12996538, 19494807, 25993076, 32491345, 38989614, 64982690, 77979228, 97474035, 129965380, 194948070, 389896140]

約数ペア:

[(1, 389896140), (2, 194948070), (3, 129965380), (4, 97474035), (5, 77979228), (6, 64982690), (10, 38989614), (12, 32491345), (15, 25993076), (20, 19494807), (30, 12996538), (60, 6498269), (61, 6391740), (122, 3195870), (183, 2130580), (244, 1597935), (305, 1278348), (307, 1270020), (347, 1123620), (366, 1065290), (610, 639174), (614, 635010), (694, 561810), (732, 532645), (915, 426116), (921, 423340), (1041, 374540), (1220, 319587), (1228, 317505), (1388, 280905), (1535, 254004), (1735, 224724), (1830, 213058), (1842, 211670), (2082, 187270), (3070, 127002), (3470, 112362), (3660, 106529), (3684, 105835), (4164, 93635), (4605, 84668), (5205, 74908), (6140, 63501), (6940, 56181), (9210, 42334), (10410, 37454), (18420, 21167), (18727, 20820)]