252957830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 502917120

約数和(自身を除く): 249959290

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 67, 95, 134, 155, 190, 310, 335, 589, 641, 670, 1178, 1273, 1282, 2077, 2546, 2945, 3205, 4154, 5890, 6365, 6410, 10385, 12179, 12730, 19871, 20770, 24358, 39463, 39742, 42947, 60895, 78926, 85894, 99355, 121790, 197315, 198710, 214735, 377549, 394630, 429470, 755098, 815993, 1331357, 1631986, 1887745, 2662714, 3775490, 4079965, 6656785, 8159930, 13313570, 25295783, 50591566, 126478915, 252957830]

約数ペア:

[(1, 252957830), (2, 126478915), (5, 50591566), (10, 25295783), (19, 13313570), (31, 8159930), (38, 6656785), (62, 4079965), (67, 3775490), (95, 2662714), (134, 1887745), (155, 1631986), (190, 1331357), (310, 815993), (335, 755098), (589, 429470), (641, 394630), (670, 377549), (1178, 214735), (1273, 198710), (1282, 197315), (2077, 121790), (2546, 99355), (2945, 85894), (3205, 78926), (4154, 60895), (5890, 42947), (6365, 39742), (6410, 39463), (10385, 24358), (12179, 20770), (12730, 19871)]