397750920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{473513}}^1$

素因数の和:473534

約数の個数: 64

約数和(自身を含む): 1363720320

約数和(自身を除く): 965969400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 473513, 947026, 1420539, 1894052, 2367565, 2841078, 3314591, 3788104, 4735130, 5682156, 6629182, 7102695, 9470260, 9943773, 11364312, 13258364, 14205390, 16572955, 18940520, 19887546, 26516728, 28410780, 33145910, 39775092, 49718865, 56821560, 66291820, 79550184, 99437730, 132583640, 198875460, 397750920]

約数ペア:

[(1, 397750920), (2, 198875460), (3, 132583640), (4, 99437730), (5, 79550184), (6, 66291820), (7, 56821560), (8, 49718865), (10, 39775092), (12, 33145910), (14, 28410780), (15, 26516728), (20, 19887546), (21, 18940520), (24, 16572955), (28, 14205390), (30, 13258364), (35, 11364312), (40, 9943773), (42, 9470260), (56, 7102695), (60, 6629182), (70, 5682156), (84, 4735130), (105, 3788104), (120, 3314591), (140, 2841078), (168, 2367565), (210, 1894052), (280, 1420539), (420, 947026), (840, 473513)]