158654900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 361643520

約数和(自身を除く): 202988620

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 775, 839, 1220, 1525, 1550, 1678, 1891, 3050, 3100, 3356, 3782, 4195, 6100, 7564, 8390, 9455, 16780, 18910, 20975, 26009, 37820, 41950, 47275, 51179, 52018, 83900, 94550, 102358, 104036, 130045, 189100, 204716, 255895, 260090, 511790, 520180, 650225, 1023580, 1279475, 1300450, 1586549, 2558950, 2600900, 3173098, 5117900, 6346196, 7932745, 15865490, 31730980, 39663725, 79327450, 158654900]

約数ペア:

[(1, 158654900), (2, 79327450), (4, 39663725), (5, 31730980), (10, 15865490), (20, 7932745), (25, 6346196), (31, 5117900), (50, 3173098), (61, 2600900), (62, 2558950), (100, 1586549), (122, 1300450), (124, 1279475), (155, 1023580), (244, 650225), (305, 520180), (310, 511790), (610, 260090), (620, 255895), (775, 204716), (839, 189100), (1220, 130045), (1525, 104036), (1550, 102358), (1678, 94550), (1891, 83900), (3050, 52018), (3100, 51179), (3356, 47275), (3782, 41950), (4195, 37820), (6100, 26009), (7564, 20975), (8390, 18910), (9455, 16780)]