1921657150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 4394825856

約数和(自身を除く): 2473168706

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 67, 70, 95, 133, 134, 175, 190, 227, 266, 335, 350, 361, 454, 469, 475, 665, 670, 722, 938, 950, 1135, 1273, 1330, 1589, 1675, 1805, 2270, 2345, 2527, 2546, 3178, 3325, 3350, 3610, 4313, 4690, 5054, 5675, 6365, 6650, 7945, 8626, 8911, 9025, 11350, 11725, 12635, 12730, 15209, 15890, 17822, 18050, 21565, 23450, 24187, 25270, 30191, 30418, 31825, 39725, 43130, 44555, 48374, 60382, 63175, 63650, 76045, 79450, 81947, 89110, 106463, 107825, 120935, 126350, 150955, 152090, 163894, 169309, 212926, 215650, 222775, 241870, 288971, 301910, 338618, 380225, 409735, 445550, 532315, 573629, 577942, 604675, 754775, 760450, 819470, 846545, 1064630, 1147258, 1209350, 1444855, 1509550, 1693090, 2022797, 2048675, 2661575, 2868145, 2889710, 4045594, 4097350, 4232725, 5323150, 5490449, 5736290, 7224275, 8465450, 10113985, 10980898, 14340725, 14448550, 20227970, 27452245, 28681450, 38433143, 50569925, 54904490, 76866286, 101139850, 137261225, 192165715, 274522450, 384331430, 960828575, 1921657150]

約数ペア:

[(1, 1921657150), (2, 960828575), (5, 384331430), (7, 274522450), (10, 192165715), (14, 137261225), (19, 101139850), (25, 76866286), (35, 54904490), (38, 50569925), (50, 38433143), (67, 28681450), (70, 27452245), (95, 20227970), (133, 14448550), (134, 14340725), (175, 10980898), (190, 10113985), (227, 8465450), (266, 7224275), (335, 5736290), (350, 5490449), (361, 5323150), (454, 4232725), (469, 4097350), (475, 4045594), (665, 2889710), (670, 2868145), (722, 2661575), (938, 2048675), (950, 2022797), (1135, 1693090), (1273, 1509550), (1330, 1444855), (1589, 1209350), (1675, 1147258), (1805, 1064630), (2270, 846545), (2345, 819470), (2527, 760450), (2546, 754775), (3178, 604675), (3325, 577942), (3350, 573629), (3610, 532315), (4313, 445550), (4690, 409735), (5054, 380225), (5675, 338618), (6365, 301910), (6650, 288971), (7945, 241870), (8626, 222775), (8911, 215650), (9025, 212926), (11350, 169309), (11725, 163894), (12635, 152090), (12730, 150955), (15209, 126350), (15890, 120935), (17822, 107825), (18050, 106463), (21565, 89110), (23450, 81947), (24187, 79450), (25270, 76045), (30191, 63650), (30418, 63175), (31825, 60382), (39725, 48374), (43130, 44555)]