42389000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 110073600

約数和(自身を除く): 67684600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 97, 100, 115, 125, 152, 184, 190, 194, 200, 230, 250, 380, 388, 437, 460, 475, 485, 500, 575, 760, 776, 874, 920, 950, 970, 1000, 1150, 1748, 1843, 1900, 1940, 2185, 2231, 2300, 2375, 2425, 2875, 3496, 3686, 3800, 3880, 4370, 4462, 4600, 4750, 4850, 5750, 7372, 8740, 8924, 9215, 9500, 9700, 10925, 11155, 11500, 12125, 14744, 17480, 17848, 18430, 19000, 19400, 21850, 22310, 23000, 24250, 36860, 42389, 43700, 44620, 46075, 48500, 54625, 55775, 73720, 84778, 87400, 89240, 92150, 97000, 109250, 111550, 169556, 184300, 211945, 218500, 223100, 230375, 278875, 339112, 368600, 423890, 437000, 446200, 460750, 557750, 847780, 921500, 1059725, 1115500, 1695560, 1843000, 2119450, 2231000, 4238900, 5298625, 8477800, 10597250, 21194500, 42389000]

約数ペア:

[(1, 42389000), (2, 21194500), (4, 10597250), (5, 8477800), (8, 5298625), (10, 4238900), (19, 2231000), (20, 2119450), (23, 1843000), (25, 1695560), (38, 1115500), (40, 1059725), (46, 921500), (50, 847780), (76, 557750), (92, 460750), (95, 446200), (97, 437000), (100, 423890), (115, 368600), (125, 339112), (152, 278875), (184, 230375), (190, 223100), (194, 218500), (200, 211945), (230, 184300), (250, 169556), (380, 111550), (388, 109250), (437, 97000), (460, 92150), (475, 89240), (485, 87400), (500, 84778), (575, 73720), (760, 55775), (776, 54625), (874, 48500), (920, 46075), (950, 44620), (970, 43700), (1000, 42389), (1150, 36860), (1748, 24250), (1843, 23000), (1900, 22310), (1940, 21850), (2185, 19400), (2231, 19000), (2300, 18430), (2375, 17848), (2425, 17480), (2875, 14744), (3496, 12125), (3686, 11500), (3800, 11155), (3880, 10925), (4370, 9700), (4462, 9500), (4600, 9215), (4750, 8924), (4850, 8740), (5750, 7372)]