131541700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 293981184

約数和(自身を除く): 162439484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 97, 100, 142, 191, 194, 284, 355, 382, 388, 485, 710, 764, 955, 970, 1420, 1775, 1910, 1940, 2425, 3550, 3820, 4775, 4850, 6887, 7100, 9550, 9700, 13561, 13774, 18527, 19100, 27122, 27548, 34435, 37054, 54244, 67805, 68870, 74108, 92635, 135610, 137740, 172175, 185270, 271220, 339025, 344350, 370540, 463175, 678050, 688700, 926350, 1315417, 1356100, 1852700, 2630834, 5261668, 6577085, 13154170, 26308340, 32885425, 65770850, 131541700]

約数ペア:

[(1, 131541700), (2, 65770850), (4, 32885425), (5, 26308340), (10, 13154170), (20, 6577085), (25, 5261668), (50, 2630834), (71, 1852700), (97, 1356100), (100, 1315417), (142, 926350), (191, 688700), (194, 678050), (284, 463175), (355, 370540), (382, 344350), (388, 339025), (485, 271220), (710, 185270), (764, 172175), (955, 137740), (970, 135610), (1420, 92635), (1775, 74108), (1910, 68870), (1940, 67805), (2425, 54244), (3550, 37054), (3820, 34435), (4775, 27548), (4850, 27122), (6887, 19100), (7100, 18527), (9550, 13774), (9700, 13561)]