397324960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{130699}}^1$

素因数の和:130733

約数の個数: 48

約数和(自身を含む): 988092000

約数和(自身を除く): 590767040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 130699, 261398, 522796, 653495, 1045592, 1306990, 2091184, 2483281, 2613980, 4182368, 4966562, 5227960, 9933124, 10455920, 12416405, 19866248, 20911840, 24832810, 39732496, 49665620, 79464992, 99331240, 198662480, 397324960]

約数ペア:

[(1, 397324960), (2, 198662480), (4, 99331240), (5, 79464992), (8, 49665620), (10, 39732496), (16, 24832810), (19, 20911840), (20, 19866248), (32, 12416405), (38, 10455920), (40, 9933124), (76, 5227960), (80, 4966562), (95, 4182368), (152, 2613980), (160, 2483281), (190, 2091184), (304, 1306990), (380, 1045592), (608, 653495), (760, 522796), (1520, 261398), (3040, 130699)]