399348530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 893555712

約数和(自身を除く): 494207182

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 191, 238, 245, 251, 382, 490, 502, 595, 833, 955, 1190, 1255, 1337, 1666, 1757, 1910, 2510, 2674, 3247, 3514, 4165, 4267, 6494, 6685, 8330, 8534, 8785, 9359, 12299, 13370, 16235, 17570, 18718, 21335, 22729, 24598, 29869, 32470, 42670, 45458, 46795, 47941, 59738, 61495, 93590, 95882, 113645, 122990, 149345, 159103, 209083, 227290, 239705, 298690, 318206, 335587, 418166, 479410, 671174, 795515, 814997, 1045415, 1591030, 1629994, 1677935, 2090830, 2349109, 3355870, 4074985, 4698218, 5704979, 8149970, 11409958, 11745545, 23491090, 28524895, 39934853, 57049790, 79869706, 199674265, 399348530]

約数ペア:

[(1, 399348530), (2, 199674265), (5, 79869706), (7, 57049790), (10, 39934853), (14, 28524895), (17, 23491090), (34, 11745545), (35, 11409958), (49, 8149970), (70, 5704979), (85, 4698218), (98, 4074985), (119, 3355870), (170, 2349109), (191, 2090830), (238, 1677935), (245, 1629994), (251, 1591030), (382, 1045415), (490, 814997), (502, 795515), (595, 671174), (833, 479410), (955, 418166), (1190, 335587), (1255, 318206), (1337, 298690), (1666, 239705), (1757, 227290), (1910, 209083), (2510, 159103), (2674, 149345), (3247, 122990), (3514, 113645), (4165, 95882), (4267, 93590), (6494, 61495), (6685, 59738), (8330, 47941), (8534, 46795), (8785, 45458), (9359, 42670), (12299, 32470), (13370, 29869), (16235, 24598), (17570, 22729), (18718, 21335)]