78653800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 192844800

約数和(自身を除く): 114191000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 71, 100, 116, 142, 145, 191, 200, 232, 284, 290, 355, 382, 568, 580, 710, 725, 764, 955, 1160, 1420, 1450, 1528, 1775, 1910, 2059, 2840, 2900, 3550, 3820, 4118, 4775, 5539, 5800, 7100, 7640, 8236, 9550, 10295, 11078, 13561, 14200, 16472, 19100, 20590, 22156, 27122, 27695, 38200, 41180, 44312, 51475, 54244, 55390, 67805, 82360, 102950, 108488, 110780, 135610, 138475, 205900, 221560, 271220, 276950, 339025, 393269, 411800, 542440, 553900, 678050, 786538, 1107800, 1356100, 1573076, 1966345, 2712200, 3146152, 3932690, 7865380, 9831725, 15730760, 19663450, 39326900, 78653800]

約数ペア:

[(1, 78653800), (2, 39326900), (4, 19663450), (5, 15730760), (8, 9831725), (10, 7865380), (20, 3932690), (25, 3146152), (29, 2712200), (40, 1966345), (50, 1573076), (58, 1356100), (71, 1107800), (100, 786538), (116, 678050), (142, 553900), (145, 542440), (191, 411800), (200, 393269), (232, 339025), (284, 276950), (290, 271220), (355, 221560), (382, 205900), (568, 138475), (580, 135610), (710, 110780), (725, 108488), (764, 102950), (955, 82360), (1160, 67805), (1420, 55390), (1450, 54244), (1528, 51475), (1775, 44312), (1910, 41180), (2059, 38200), (2840, 27695), (2900, 27122), (3550, 22156), (3820, 20590), (4118, 19100), (4775, 16472), (5539, 14200), (5800, 13561), (7100, 11078), (7640, 10295), (8236, 9550)]