54995120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 136345440

約数和(自身を除く): 81350320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 373, 380, 388, 485, 746, 760, 776, 970, 1492, 1520, 1552, 1843, 1865, 1940, 2984, 3686, 3730, 3880, 5968, 7087, 7372, 7460, 7760, 9215, 14174, 14744, 14920, 18430, 28348, 29488, 29840, 35435, 36181, 36860, 56696, 70870, 72362, 73720, 113392, 141740, 144724, 147440, 180905, 283480, 289448, 361810, 566960, 578896, 687439, 723620, 1374878, 1447240, 2749756, 2894480, 3437195, 5499512, 6874390, 10999024, 13748780, 27497560, 54995120]

約数ペア:

[(1, 54995120), (2, 27497560), (4, 13748780), (5, 10999024), (8, 6874390), (10, 5499512), (16, 3437195), (19, 2894480), (20, 2749756), (38, 1447240), (40, 1374878), (76, 723620), (80, 687439), (95, 578896), (97, 566960), (152, 361810), (190, 289448), (194, 283480), (304, 180905), (373, 147440), (380, 144724), (388, 141740), (485, 113392), (746, 73720), (760, 72362), (776, 70870), (970, 56696), (1492, 36860), (1520, 36181), (1552, 35435), (1843, 29840), (1865, 29488), (1940, 28348), (2984, 18430), (3686, 14920), (3730, 14744), (3880, 14174), (5968, 9215), (7087, 7760), (7372, 7460)]