397699440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72047}}^1$

素因数の和:72086

約数の個数: 80

約数和(自身を含む): 1286489088

約数和(自身を除く): 888789648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 72047, 144094, 216141, 288188, 360235, 432282, 576376, 720470, 864564, 1080705, 1152752, 1440940, 1657081, 1729128, 2161410, 2881880, 3314162, 3458256, 4322820, 4971243, 5763760, 6628324, 8285405, 8645640, 9942486, 13256648, 16570810, 17291280, 19884972, 24856215, 26513296, 33141620, 39769944, 49712430, 66283240, 79539888, 99424860, 132566480, 198849720, 397699440]

約数ペア:

[(1, 397699440), (2, 198849720), (3, 132566480), (4, 99424860), (5, 79539888), (6, 66283240), (8, 49712430), (10, 39769944), (12, 33141620), (15, 26513296), (16, 24856215), (20, 19884972), (23, 17291280), (24, 16570810), (30, 13256648), (40, 9942486), (46, 8645640), (48, 8285405), (60, 6628324), (69, 5763760), (80, 4971243), (92, 4322820), (115, 3458256), (120, 3314162), (138, 2881880), (184, 2161410), (230, 1729128), (240, 1657081), (276, 1440940), (345, 1152752), (368, 1080705), (460, 864564), (552, 720470), (690, 576376), (920, 432282), (1104, 360235), (1380, 288188), (1840, 216141), (2760, 144094), (5520, 72047)]