74645870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 155796480

約数和(自身を除く): 81150610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 190, 235, 247, 470, 494, 611, 643, 893, 1222, 1235, 1286, 1786, 2470, 3055, 3215, 4465, 6110, 6430, 8359, 8930, 11609, 12217, 16718, 23218, 24434, 30221, 41795, 58045, 60442, 61085, 83590, 116090, 122170, 151105, 158821, 302210, 317642, 392873, 574199, 785746, 794105, 1148398, 1588210, 1964365, 2870995, 3928730, 5741990, 7464587, 14929174, 37322935, 74645870]

約数ペア:

[(1, 74645870), (2, 37322935), (5, 14929174), (10, 7464587), (13, 5741990), (19, 3928730), (26, 2870995), (38, 1964365), (47, 1588210), (65, 1148398), (94, 794105), (95, 785746), (130, 574199), (190, 392873), (235, 317642), (247, 302210), (470, 158821), (494, 151105), (611, 122170), (643, 116090), (893, 83590), (1222, 61085), (1235, 60442), (1286, 58045), (1786, 41795), (2470, 30221), (3055, 24434), (3215, 23218), (4465, 16718), (6110, 12217), (6430, 11609), (8359, 8930)]