123462400

素因数分解:

$2^8\times 5^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 108

約数和(自身を含む): 310230144

約数和(自身を除く): 186767744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 191, 200, 202, 256, 320, 382, 400, 404, 505, 640, 764, 800, 808, 955, 1010, 1280, 1528, 1600, 1616, 1910, 2020, 2525, 3056, 3200, 3232, 3820, 4040, 4775, 5050, 6112, 6400, 6464, 7640, 8080, 9550, 10100, 12224, 12928, 15280, 16160, 19100, 19291, 20200, 24448, 25856, 30560, 32320, 38200, 38582, 40400, 48896, 61120, 64640, 76400, 77164, 80800, 96455, 122240, 129280, 152800, 154328, 161600, 192910, 244480, 305600, 308656, 323200, 385820, 482275, 611200, 617312, 646400, 771640, 964550, 1222400, 1234624, 1543280, 1929100, 2469248, 3086560, 3858200, 4938496, 6173120, 7716400, 12346240, 15432800, 24692480, 30865600, 61731200, 123462400]

約数ペア:

[(1, 123462400), (2, 61731200), (4, 30865600), (5, 24692480), (8, 15432800), (10, 12346240), (16, 7716400), (20, 6173120), (25, 4938496), (32, 3858200), (40, 3086560), (50, 2469248), (64, 1929100), (80, 1543280), (100, 1234624), (101, 1222400), (128, 964550), (160, 771640), (191, 646400), (200, 617312), (202, 611200), (256, 482275), (320, 385820), (382, 323200), (400, 308656), (404, 305600), (505, 244480), (640, 192910), (764, 161600), (800, 154328), (808, 152800), (955, 129280), (1010, 122240), (1280, 96455), (1528, 80800), (1600, 77164), (1616, 76400), (1910, 64640), (2020, 61120), (2525, 48896), (3056, 40400), (3200, 38582), (3232, 38200), (3820, 32320), (4040, 30560), (4775, 25856), (5050, 24448), (6112, 20200), (6400, 19291), (6464, 19100), (7640, 16160), (8080, 15280), (9550, 12928), (10100, 12224)]