2018757790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 4499712000

約数和(自身を除く): 2480954210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 149, 167, 190, 266, 298, 305, 334, 427, 610, 665, 745, 835, 854, 1043, 1159, 1169, 1330, 1490, 1670, 2086, 2135, 2318, 2338, 2831, 3173, 4270, 5215, 5662, 5795, 5845, 6346, 8113, 9089, 10187, 10430, 11590, 11690, 14155, 15865, 16226, 18178, 19817, 20374, 22211, 24883, 28310, 31730, 39634, 40565, 44422, 45445, 49766, 50935, 63623, 71309, 81130, 90890, 99085, 101870, 111055, 124415, 127246, 142618, 172691, 174181, 193553, 198170, 222110, 248830, 318115, 345382, 348362, 356545, 387106, 472777, 636230, 713090, 863455, 870905, 945554, 967765, 1208837, 1354871, 1517863, 1726910, 1741810, 1935530, 2363885, 2417674, 2709742, 3035726, 3309439, 4727770, 6044185, 6618878, 6774355, 7589315, 10625041, 12088370, 13548710, 15178630, 16547195, 21250082, 28839397, 33094390, 53125205, 57678794, 106250410, 144196985, 201875779, 288393970, 403751558, 1009378895, 2018757790]

約数ペア:

[(1, 2018757790), (2, 1009378895), (5, 403751558), (7, 288393970), (10, 201875779), (14, 144196985), (19, 106250410), (35, 57678794), (38, 53125205), (61, 33094390), (70, 28839397), (95, 21250082), (122, 16547195), (133, 15178630), (149, 13548710), (167, 12088370), (190, 10625041), (266, 7589315), (298, 6774355), (305, 6618878), (334, 6044185), (427, 4727770), (610, 3309439), (665, 3035726), (745, 2709742), (835, 2417674), (854, 2363885), (1043, 1935530), (1159, 1741810), (1169, 1726910), (1330, 1517863), (1490, 1354871), (1670, 1208837), (2086, 967765), (2135, 945554), (2318, 870905), (2338, 863455), (2831, 713090), (3173, 636230), (4270, 472777), (5215, 387106), (5662, 356545), (5795, 348362), (5845, 345382), (6346, 318115), (8113, 248830), (9089, 222110), (10187, 198170), (10430, 193553), (11590, 174181), (11690, 172691), (14155, 142618), (15865, 127246), (16226, 124415), (18178, 111055), (19817, 101870), (20374, 99085), (22211, 90890), (24883, 81130), (28310, 71309), (31730, 63623), (39634, 50935), (40565, 49766), (44422, 45445)]