290555505

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 558148800

約数和(自身を除く): 267593295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 81, 95, 135, 171, 183, 285, 305, 405, 513, 549, 619, 855, 915, 1159, 1539, 1647, 1857, 2565, 2745, 3095, 3477, 4941, 5571, 5795, 7695, 8235, 9285, 10431, 11761, 16713, 17385, 24705, 27855, 31293, 35283, 37759, 50139, 52155, 58805, 83565, 93879, 105849, 113277, 156465, 176415, 188795, 250695, 317547, 339831, 469395, 529245, 566385, 717421, 952641, 1019493, 1587735, 1699155, 2152263, 3058479, 3587105, 4763205, 5097465, 6456789, 10761315, 15292395, 19370367, 32283945, 58111101, 96851835, 290555505]

約数ペア:

[(1, 290555505), (3, 96851835), (5, 58111101), (9, 32283945), (15, 19370367), (19, 15292395), (27, 10761315), (45, 6456789), (57, 5097465), (61, 4763205), (81, 3587105), (95, 3058479), (135, 2152263), (171, 1699155), (183, 1587735), (285, 1019493), (305, 952641), (405, 717421), (513, 566385), (549, 529245), (619, 469395), (855, 339831), (915, 317547), (1159, 250695), (1539, 188795), (1647, 176415), (1857, 156465), (2565, 113277), (2745, 105849), (3095, 93879), (3477, 83565), (4941, 58805), (5571, 52155), (5795, 50139), (7695, 37759), (8235, 35283), (9285, 31293), (10431, 27855), (11761, 24705), (16713, 17385)]