639857240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2749}}^1$

素因数の和:2817

約数の個数: 96

約数和(自身を含む): 1642410000

約数和(自身を除く): 1002552760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 529, 920, 1012, 1058, 1265, 2024, 2116, 2530, 2645, 2749, 4232, 5060, 5290, 5498, 5819, 10120, 10580, 10996, 11638, 13745, 21160, 21992, 23276, 27490, 29095, 30239, 46552, 54980, 58190, 60478, 63227, 109960, 116380, 120956, 126454, 151195, 232760, 241912, 252908, 302390, 316135, 505816, 604780, 632270, 695497, 1209560, 1264540, 1390994, 1454221, 2529080, 2781988, 2908442, 3477485, 5563976, 5816884, 6954970, 7271105, 11633768, 13909940, 14542210, 15996431, 27819880, 29084420, 31992862, 58168840, 63985724, 79982155, 127971448, 159964310, 319928620, 639857240]

約数ペア:

[(1, 639857240), (2, 319928620), (4, 159964310), (5, 127971448), (8, 79982155), (10, 63985724), (11, 58168840), (20, 31992862), (22, 29084420), (23, 27819880), (40, 15996431), (44, 14542210), (46, 13909940), (55, 11633768), (88, 7271105), (92, 6954970), (110, 5816884), (115, 5563976), (184, 3477485), (220, 2908442), (230, 2781988), (253, 2529080), (440, 1454221), (460, 1390994), (506, 1264540), (529, 1209560), (920, 695497), (1012, 632270), (1058, 604780), (1265, 505816), (2024, 316135), (2116, 302390), (2530, 252908), (2645, 241912), (2749, 232760), (4232, 151195), (5060, 126454), (5290, 120956), (5498, 116380), (5819, 109960), (10120, 63227), (10580, 60478), (10996, 58190), (11638, 54980), (13745, 46552), (21160, 30239), (21992, 29095), (23276, 27490)]