245501800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{8831}}^1$

素因数の和:8986

約数の個数: 48

約数和(自身を含む): 574963200

約数和(自身を除く): 329461400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 2780, 3475, 5560, 6950, 8831, 13900, 17662, 27800, 35324, 44155, 70648, 88310, 176620, 220775, 353240, 441550, 883100, 1227509, 1766200, 2455018, 4910036, 6137545, 9820072, 12275090, 24550180, 30687725, 49100360, 61375450, 122750900, 245501800]

約数ペア:

[(1, 245501800), (2, 122750900), (4, 61375450), (5, 49100360), (8, 30687725), (10, 24550180), (20, 12275090), (25, 9820072), (40, 6137545), (50, 4910036), (100, 2455018), (139, 1766200), (200, 1227509), (278, 883100), (556, 441550), (695, 353240), (1112, 220775), (1390, 176620), (2780, 88310), (3475, 70648), (5560, 44155), (6950, 35324), (8831, 27800), (13900, 17662)]