218375340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{158243}}^1$

素因数の和:158278

約数の個数: 48

約数和(自身を含む): 638039808

約数和(自身を除く): 419664468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 158243, 316486, 474729, 632972, 791215, 949458, 1582430, 1898916, 2373645, 3164860, 3639589, 4747290, 7279178, 9494580, 10918767, 14558356, 18197945, 21837534, 36395890, 43675068, 54593835, 72791780, 109187670, 218375340]

約数ペア:

[(1, 218375340), (2, 109187670), (3, 72791780), (4, 54593835), (5, 43675068), (6, 36395890), (10, 21837534), (12, 18197945), (15, 14558356), (20, 10918767), (23, 9494580), (30, 7279178), (46, 4747290), (60, 3639589), (69, 3164860), (92, 2373645), (115, 1898916), (138, 1582430), (230, 949458), (276, 791215), (345, 632972), (460, 474729), (690, 316486), (1380, 158243)]