31839940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 75075840

約数和(自身を除く): 43235900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 223, 236, 242, 295, 446, 484, 590, 605, 649, 892, 1115, 1180, 1210, 1298, 2230, 2420, 2453, 2596, 3245, 4460, 4906, 6490, 7139, 9812, 12265, 12980, 13157, 14278, 24530, 26314, 26983, 28556, 35695, 49060, 52628, 53966, 65785, 71390, 107932, 131570, 134915, 142780, 144727, 263140, 269830, 289454, 539660, 578908, 723635, 1447270, 1591997, 2894540, 3183994, 6367988, 7959985, 15919970, 31839940]

約数ペア:

[(1, 31839940), (2, 15919970), (4, 7959985), (5, 6367988), (10, 3183994), (11, 2894540), (20, 1591997), (22, 1447270), (44, 723635), (55, 578908), (59, 539660), (110, 289454), (118, 269830), (121, 263140), (220, 144727), (223, 142780), (236, 134915), (242, 131570), (295, 107932), (446, 71390), (484, 65785), (590, 53966), (605, 52628), (649, 49060), (892, 35695), (1115, 28556), (1180, 26983), (1210, 26314), (1298, 24530), (2230, 14278), (2420, 13157), (2453, 12980), (2596, 12265), (3245, 9812), (4460, 7139), (4906, 6490)]