78483820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 174863808

約数和(自身を除く): 96379988

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2797, 2806, 5594, 5612, 7015, 11188, 13985, 14030, 27970, 28060, 55940, 64331, 128662, 170617, 257324, 321655, 341234, 643310, 682468, 853085, 1286620, 1706170, 3412340, 3924191, 7848382, 15696764, 19620955, 39241910, 78483820]

約数ペア:

[(1, 78483820), (2, 39241910), (4, 19620955), (5, 15696764), (10, 7848382), (20, 3924191), (23, 3412340), (46, 1706170), (61, 1286620), (92, 853085), (115, 682468), (122, 643310), (230, 341234), (244, 321655), (305, 257324), (460, 170617), (610, 128662), (1220, 64331), (1403, 55940), (2797, 28060), (2806, 27970), (5594, 14030), (5612, 13985), (7015, 11188)]