190015520

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4621}}^1$

素因数の和:4893

約数の個数: 48

約数和(自身を含む): 450755928

約数和(自身を除く): 260740408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2570, 4112, 4621, 5140, 8224, 9242, 10280, 18484, 20560, 23105, 36968, 41120, 46210, 73936, 92420, 147872, 184840, 369680, 739360, 1187597, 2375194, 4750388, 5937985, 9500776, 11875970, 19001552, 23751940, 38003104, 47503880, 95007760, 190015520]

約数ペア:

[(1, 190015520), (2, 95007760), (4, 47503880), (5, 38003104), (8, 23751940), (10, 19001552), (16, 11875970), (20, 9500776), (32, 5937985), (40, 4750388), (80, 2375194), (160, 1187597), (257, 739360), (514, 369680), (1028, 184840), (1285, 147872), (2056, 92420), (2570, 73936), (4112, 46210), (4621, 41120), (5140, 36968), (8224, 23105), (9242, 20560), (10280, 18484)]