290715520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14653}}^1$

素因数の和:14703

約数の個数: 64

約数和(自身を含む): 717459840

約数和(自身を除く): 426744320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 14653, 19840, 29306, 58612, 73265, 117224, 146530, 234448, 293060, 454243, 468896, 586120, 908486, 937792, 1172240, 1816972, 1875584, 2271215, 2344480, 3633944, 4542430, 4688960, 7267888, 9084860, 9377920, 14535776, 18169720, 29071552, 36339440, 58143104, 72678880, 145357760, 290715520]

約数ペア:

[(1, 290715520), (2, 145357760), (4, 72678880), (5, 58143104), (8, 36339440), (10, 29071552), (16, 18169720), (20, 14535776), (31, 9377920), (32, 9084860), (40, 7267888), (62, 4688960), (64, 4542430), (80, 3633944), (124, 2344480), (128, 2271215), (155, 1875584), (160, 1816972), (248, 1172240), (310, 937792), (320, 908486), (496, 586120), (620, 468896), (640, 454243), (992, 293060), (1240, 234448), (1984, 146530), (2480, 117224), (3968, 73265), (4960, 58612), (9920, 29306), (14653, 19840)]