148987120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18439}}^1$

素因数の和:18553

約数の個数: 40

約数和(自身を含む): 349843680

約数和(自身を除く): 200856560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 18439, 36878, 73756, 92195, 147512, 184390, 295024, 368780, 737560, 1475120, 1862339, 3724678, 7449356, 9311695, 14898712, 18623390, 29797424, 37246780, 74493560, 148987120]

約数ペア:

[(1, 148987120), (2, 74493560), (4, 37246780), (5, 29797424), (8, 18623390), (10, 14898712), (16, 9311695), (20, 7449356), (40, 3724678), (80, 1862339), (101, 1475120), (202, 737560), (404, 368780), (505, 295024), (808, 184390), (1010, 147512), (1616, 92195), (2020, 73756), (4040, 36878), (8080, 18439)]