31928140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 72253440

約数和(自身を除く): 40325300

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2239, 2852, 3565, 4478, 7130, 8956, 11195, 14260, 22390, 44780, 51497, 69409, 102994, 138818, 205988, 257485, 277636, 347045, 514970, 694090, 1029940, 1388180, 1596407, 3192814, 6385628, 7982035, 15964070, 31928140]

約数ペア:

[(1, 31928140), (2, 15964070), (4, 7982035), (5, 6385628), (10, 3192814), (20, 1596407), (23, 1388180), (31, 1029940), (46, 694090), (62, 514970), (92, 347045), (115, 277636), (124, 257485), (155, 205988), (230, 138818), (310, 102994), (460, 69409), (620, 51497), (713, 44780), (1426, 22390), (2239, 14260), (2852, 11195), (3565, 8956), (4478, 7130)]