29778890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 57854088

約数和(自身を除く): 28075198

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 113, 146, 190, 226, 361, 365, 565, 722, 730, 1130, 1387, 1805, 2147, 2774, 3610, 4294, 6935, 8249, 10735, 13870, 16498, 21470, 26353, 40793, 41245, 52706, 81586, 82490, 131765, 156731, 203965, 263530, 313462, 407930, 783655, 1567310, 2977889, 5955778, 14889445, 29778890]

約数ペア:

[(1, 29778890), (2, 14889445), (5, 5955778), (10, 2977889), (19, 1567310), (38, 783655), (73, 407930), (95, 313462), (113, 263530), (146, 203965), (190, 156731), (226, 131765), (361, 82490), (365, 81586), (565, 52706), (722, 41245), (730, 40793), (1130, 26353), (1387, 21470), (1805, 16498), (2147, 13870), (2774, 10735), (3610, 8249), (4294, 6935)]