155874200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 374936940

約数和(自身を除く): 219062740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 811, 961, 1240, 1550, 1622, 1922, 3100, 3244, 3844, 4055, 4805, 6200, 6488, 7688, 8110, 9610, 16220, 19220, 20275, 24025, 25141, 32440, 38440, 40550, 48050, 50282, 81100, 96100, 100564, 125705, 162200, 192200, 201128, 251410, 502820, 628525, 779371, 1005640, 1257050, 1558742, 2514100, 3117484, 3896855, 5028200, 6234968, 7793710, 15587420, 19484275, 31174840, 38968550, 77937100, 155874200]

約数ペア:

[(1, 155874200), (2, 77937100), (4, 38968550), (5, 31174840), (8, 19484275), (10, 15587420), (20, 7793710), (25, 6234968), (31, 5028200), (40, 3896855), (50, 3117484), (62, 2514100), (100, 1558742), (124, 1257050), (155, 1005640), (200, 779371), (248, 628525), (310, 502820), (620, 251410), (775, 201128), (811, 192200), (961, 162200), (1240, 125705), (1550, 100564), (1622, 96100), (1922, 81100), (3100, 50282), (3244, 48050), (3844, 40550), (4055, 38440), (4805, 32440), (6200, 25141), (6488, 24025), (7688, 20275), (8110, 19220), (9610, 16220)]