198987520

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1873}}^1$

素因数の和:1977

約数の個数: 72

約数和(自身を含む): 482637456

約数和(自身を除く): 283649936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1660, 1873, 2656, 3320, 3746, 5312, 6640, 7492, 9365, 10624, 13280, 14984, 18730, 21248, 26560, 29968, 37460, 53120, 59936, 74920, 106240, 119872, 149840, 155459, 239744, 299680, 310918, 479488, 599360, 621836, 777295, 1198720, 1243672, 1554590, 2397440, 2487344, 3109180, 4974688, 6218360, 9949376, 12436720, 19898752, 24873440, 39797504, 49746880, 99493760, 198987520]

約数ペア:

[(1, 198987520), (2, 99493760), (4, 49746880), (5, 39797504), (8, 24873440), (10, 19898752), (16, 12436720), (20, 9949376), (32, 6218360), (40, 4974688), (64, 3109180), (80, 2487344), (83, 2397440), (128, 1554590), (160, 1243672), (166, 1198720), (256, 777295), (320, 621836), (332, 599360), (415, 479488), (640, 310918), (664, 299680), (830, 239744), (1280, 155459), (1328, 149840), (1660, 119872), (1873, 106240), (2656, 74920), (3320, 59936), (3746, 53120), (5312, 37460), (6640, 29968), (7492, 26560), (9365, 21248), (10624, 18730), (13280, 14984)]