391558830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 1056706560

約数和(自身を除く): 665147730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 139, 155, 186, 195, 233, 278, 310, 390, 403, 417, 465, 466, 695, 699, 806, 834, 930, 1165, 1209, 1390, 1398, 1807, 2015, 2085, 2330, 2418, 3029, 3495, 3614, 4030, 4170, 4309, 5421, 6045, 6058, 6990, 7223, 8618, 9035, 9087, 10842, 12090, 12927, 14446, 15145, 18070, 18174, 21545, 21669, 25854, 27105, 30290, 32387, 36115, 43090, 43338, 45435, 54210, 56017, 64635, 64774, 72230, 90870, 93899, 97161, 108345, 112034, 129270, 161935, 168051, 187798, 194322, 216690, 280085, 281697, 323870, 336102, 421031, 469495, 485805, 560170, 563394, 840255, 842062, 938990, 971610, 1003997, 1263093, 1408485, 1680510, 2007994, 2105155, 2526186, 2816970, 3011991, 4210310, 5019985, 6023982, 6315465, 10039970, 12630930, 13051961, 15059955, 26103922, 30119910, 39155883, 65259805, 78311766, 130519610, 195779415, 391558830]

約数ペア:

[(1, 391558830), (2, 195779415), (3, 130519610), (5, 78311766), (6, 65259805), (10, 39155883), (13, 30119910), (15, 26103922), (26, 15059955), (30, 13051961), (31, 12630930), (39, 10039970), (62, 6315465), (65, 6023982), (78, 5019985), (93, 4210310), (130, 3011991), (139, 2816970), (155, 2526186), (186, 2105155), (195, 2007994), (233, 1680510), (278, 1408485), (310, 1263093), (390, 1003997), (403, 971610), (417, 938990), (465, 842062), (466, 840255), (695, 563394), (699, 560170), (806, 485805), (834, 469495), (930, 421031), (1165, 336102), (1209, 323870), (1390, 281697), (1398, 280085), (1807, 216690), (2015, 194322), (2085, 187798), (2330, 168051), (2418, 161935), (3029, 129270), (3495, 112034), (3614, 108345), (4030, 97161), (4170, 93899), (4309, 90870), (5421, 72230), (6045, 64774), (6058, 64635), (6990, 56017), (7223, 54210), (8618, 45435), (9035, 43338), (9087, 43090), (10842, 36115), (12090, 32387), (12927, 30290), (14446, 27105), (15145, 25854), (18070, 21669), (18174, 21545)]