78153800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 189530280

約数和(自身を除く): 111376480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 73, 100, 101, 106, 146, 200, 202, 212, 265, 292, 365, 404, 424, 505, 530, 584, 730, 808, 1010, 1060, 1325, 1460, 1825, 2020, 2120, 2525, 2650, 2920, 3650, 3869, 4040, 5050, 5300, 5353, 7300, 7373, 7738, 10100, 10600, 10706, 14600, 14746, 15476, 19345, 20200, 21412, 26765, 29492, 30952, 36865, 38690, 42824, 53530, 58984, 73730, 77380, 96725, 107060, 133825, 147460, 154760, 184325, 193450, 214120, 267650, 294920, 368650, 386900, 390769, 535300, 737300, 773800, 781538, 1070600, 1474600, 1563076, 1953845, 3126152, 3907690, 7815380, 9769225, 15630760, 19538450, 39076900, 78153800]

約数ペア:

[(1, 78153800), (2, 39076900), (4, 19538450), (5, 15630760), (8, 9769225), (10, 7815380), (20, 3907690), (25, 3126152), (40, 1953845), (50, 1563076), (53, 1474600), (73, 1070600), (100, 781538), (101, 773800), (106, 737300), (146, 535300), (200, 390769), (202, 386900), (212, 368650), (265, 294920), (292, 267650), (365, 214120), (404, 193450), (424, 184325), (505, 154760), (530, 147460), (584, 133825), (730, 107060), (808, 96725), (1010, 77380), (1060, 73730), (1325, 58984), (1460, 53530), (1825, 42824), (2020, 38690), (2120, 36865), (2525, 30952), (2650, 29492), (2920, 26765), (3650, 21412), (3869, 20200), (4040, 19345), (5050, 15476), (5300, 14746), (5353, 14600), (7300, 10706), (7373, 10600), (7738, 10100)]