398293920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{276593}}^1$

素因数の和:276614

約数の個数: 72

約数和(自身を含む): 1359182916

約数和(自身を除く): 960888996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 276593, 553186, 829779, 1106372, 1382965, 1659558, 2212744, 2489337, 2765930, 3319116, 4148895, 4425488, 4978674, 5531860, 6638232, 8297790, 8850976, 9957348, 11063720, 12446685, 13276464, 16595580, 19914696, 22127440, 24893370, 26552928, 33191160, 39829392, 44254880, 49786740, 66382320, 79658784, 99573480, 132764640, 199146960, 398293920]

約数ペア:

[(1, 398293920), (2, 199146960), (3, 132764640), (4, 99573480), (5, 79658784), (6, 66382320), (8, 49786740), (9, 44254880), (10, 39829392), (12, 33191160), (15, 26552928), (16, 24893370), (18, 22127440), (20, 19914696), (24, 16595580), (30, 13276464), (32, 12446685), (36, 11063720), (40, 9957348), (45, 8850976), (48, 8297790), (60, 6638232), (72, 5531860), (80, 4978674), (90, 4425488), (96, 4148895), (120, 3319116), (144, 2765930), (160, 2489337), (180, 2212744), (240, 1659558), (288, 1382965), (360, 1106372), (480, 829779), (720, 553186), (1440, 276593)]