157225000

素因数分解:

$2^3\times 5^5\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 389037600

約数和(自身を除く): 231812600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 331, 380, 475, 500, 625, 662, 760, 950, 1000, 1250, 1324, 1655, 1900, 2375, 2500, 2648, 3125, 3310, 3800, 4750, 5000, 6250, 6289, 6620, 8275, 9500, 11875, 12500, 12578, 13240, 16550, 19000, 23750, 25000, 25156, 31445, 33100, 41375, 47500, 50312, 59375, 62890, 66200, 82750, 95000, 118750, 125780, 157225, 165500, 206875, 237500, 251560, 314450, 331000, 413750, 475000, 628900, 786125, 827500, 1034375, 1257800, 1572250, 1655000, 2068750, 3144500, 3930625, 4137500, 6289000, 7861250, 8275000, 15722500, 19653125, 31445000, 39306250, 78612500, 157225000]

約数ペア:

[(1, 157225000), (2, 78612500), (4, 39306250), (5, 31445000), (8, 19653125), (10, 15722500), (19, 8275000), (20, 7861250), (25, 6289000), (38, 4137500), (40, 3930625), (50, 3144500), (76, 2068750), (95, 1655000), (100, 1572250), (125, 1257800), (152, 1034375), (190, 827500), (200, 786125), (250, 628900), (331, 475000), (380, 413750), (475, 331000), (500, 314450), (625, 251560), (662, 237500), (760, 206875), (950, 165500), (1000, 157225), (1250, 125780), (1324, 118750), (1655, 95000), (1900, 82750), (2375, 66200), (2500, 62890), (2648, 59375), (3125, 50312), (3310, 47500), (3800, 41375), (4750, 33100), (5000, 31445), (6250, 25156), (6289, 25000), (6620, 23750), (8275, 19000), (9500, 16550), (11875, 13240), (12500, 12578)]