788474475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 1472562000

約数和(自身を除く): 684087525

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 149, 225, 261, 435, 447, 725, 745, 811, 1305, 1341, 2175, 2235, 2433, 3725, 4055, 4321, 6525, 6705, 7299, 11175, 12165, 12963, 20275, 21605, 23519, 33525, 36495, 38889, 60825, 64815, 70557, 108025, 117595, 120839, 182475, 194445, 211671, 324075, 352785, 362517, 587975, 604195, 972225, 1058355, 1087551, 1763925, 1812585, 3020975, 3504331, 5291775, 5437755, 9062925, 10512993, 17521655, 27188775, 31538979, 52564965, 87608275, 157694895, 262824825, 788474475]

約数ペア:

[(1, 788474475), (3, 262824825), (5, 157694895), (9, 87608275), (15, 52564965), (25, 31538979), (29, 27188775), (45, 17521655), (75, 10512993), (87, 9062925), (145, 5437755), (149, 5291775), (225, 3504331), (261, 3020975), (435, 1812585), (447, 1763925), (725, 1087551), (745, 1058355), (811, 972225), (1305, 604195), (1341, 587975), (2175, 362517), (2235, 352785), (2433, 324075), (3725, 211671), (4055, 194445), (4321, 182475), (6525, 120839), (6705, 117595), (7299, 108025), (11175, 70557), (12165, 64815), (12963, 60825), (20275, 38889), (21605, 36495), (23519, 33525)]