23978000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 80

約数和(自身を含む): 61127040

約数和(自身を除く): 37149040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 631, 760, 950, 1000, 1262, 1520, 1900, 2000, 2375, 2524, 3155, 3800, 4750, 5048, 6310, 7600, 9500, 10096, 11989, 12620, 15775, 19000, 23978, 25240, 31550, 38000, 47956, 50480, 59945, 63100, 78875, 95912, 119890, 126200, 157750, 191824, 239780, 252400, 299725, 315500, 479560, 599450, 631000, 959120, 1198900, 1262000, 1498625, 2397800, 2997250, 4795600, 5994500, 11989000, 23978000]

約数ペア:

[(1, 23978000), (2, 11989000), (4, 5994500), (5, 4795600), (8, 2997250), (10, 2397800), (16, 1498625), (19, 1262000), (20, 1198900), (25, 959120), (38, 631000), (40, 599450), (50, 479560), (76, 315500), (80, 299725), (95, 252400), (100, 239780), (125, 191824), (152, 157750), (190, 126200), (200, 119890), (250, 95912), (304, 78875), (380, 63100), (400, 59945), (475, 50480), (500, 47956), (631, 38000), (760, 31550), (950, 25240), (1000, 23978), (1262, 19000), (1520, 15775), (1900, 12620), (2000, 11989), (2375, 10096), (2524, 9500), (3155, 7600), (3800, 6310), (4750, 5048)]