18147800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 47072880

約数和(自身を除く): 28925080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 73, 88, 100, 110, 113, 146, 200, 220, 226, 275, 292, 365, 440, 452, 550, 565, 584, 730, 803, 904, 1100, 1130, 1243, 1460, 1606, 1825, 2200, 2260, 2486, 2825, 2920, 3212, 3650, 4015, 4520, 4972, 5650, 6215, 6424, 7300, 8030, 8249, 9944, 11300, 12430, 14600, 16060, 16498, 20075, 22600, 24860, 31075, 32120, 32996, 40150, 41245, 49720, 62150, 65992, 80300, 82490, 90739, 124300, 160600, 164980, 181478, 206225, 248600, 329960, 362956, 412450, 453695, 725912, 824900, 907390, 1649800, 1814780, 2268475, 3629560, 4536950, 9073900, 18147800]

約数ペア:

[(1, 18147800), (2, 9073900), (4, 4536950), (5, 3629560), (8, 2268475), (10, 1814780), (11, 1649800), (20, 907390), (22, 824900), (25, 725912), (40, 453695), (44, 412450), (50, 362956), (55, 329960), (73, 248600), (88, 206225), (100, 181478), (110, 164980), (113, 160600), (146, 124300), (200, 90739), (220, 82490), (226, 80300), (275, 65992), (292, 62150), (365, 49720), (440, 41245), (452, 40150), (550, 32996), (565, 32120), (584, 31075), (730, 24860), (803, 22600), (904, 20075), (1100, 16498), (1130, 16060), (1243, 14600), (1460, 12430), (1606, 11300), (1825, 9944), (2200, 8249), (2260, 8030), (2486, 7300), (2825, 6424), (2920, 6215), (3212, 5650), (3650, 4972), (4015, 4520)]