328900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 874944

約数和(自身を除く): 546044

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 25, 26, 44, 46, 50, 52, 55, 65, 92, 100, 110, 115, 130, 143, 220, 230, 253, 260, 275, 286, 299, 325, 460, 506, 550, 572, 575, 598, 650, 715, 1012, 1100, 1150, 1196, 1265, 1300, 1430, 1495, 2300, 2530, 2860, 2990, 3289, 3575, 5060, 5980, 6325, 6578, 7150, 7475, 12650, 13156, 14300, 14950, 16445, 25300, 29900, 32890, 65780, 82225, 164450, 328900]

約数ペア:

[(1, 328900), (2, 164450), (4, 82225), (5, 65780), (10, 32890), (11, 29900), (13, 25300), (20, 16445), (22, 14950), (23, 14300), (25, 13156), (26, 12650), (44, 7475), (46, 7150), (50, 6578), (52, 6325), (55, 5980), (65, 5060), (92, 3575), (100, 3289), (110, 2990), (115, 2860), (130, 2530), (143, 2300), (220, 1495), (230, 1430), (253, 1300), (260, 1265), (275, 1196), (286, 1150), (299, 1100), (325, 1012), (460, 715), (506, 650), (550, 598), (572, 575)]