245062000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6491

約数の個数: 80

約数和(自身を含む): 623844000

約数和(自身を除く): 378782000

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, 760, 950, 1000, 1520, 1900, 2000, 2375, 3800, 4750, 6449, 7600, 9500, 12898, 19000, 25796, 32245, 38000, 51592, 64490, 103184, 122531, 128980, 161225, 245062, 257960, 322450, 490124, 515920, 612655, 644900, 806125, 980248, 1225310, 1289800, 1612250, 1960496, 2450620, 2579600, 3063275, 3224500, 4901240, 6126550, 6449000, 9802480, 12253100, 12898000, 15316375, 24506200, 30632750, 49012400, 61265500, 122531000, 245062000]

約数ペア:

[(1, 245062000), (2, 122531000), (4, 61265500), (5, 49012400), (8, 30632750), (10, 24506200), (16, 15316375), (19, 12898000), (20, 12253100), (25, 9802480), (38, 6449000), (40, 6126550), (50, 4901240), (76, 3224500), (80, 3063275), (95, 2579600), (100, 2450620), (125, 1960496), (152, 1612250), (190, 1289800), (200, 1225310), (250, 980248), (304, 806125), (380, 644900), (400, 612655), (475, 515920), (500, 490124), (760, 322450), (950, 257960), (1000, 245062), (1520, 161225), (1900, 128980), (2000, 122531), (2375, 103184), (3800, 64490), (4750, 51592), (6449, 38000), (7600, 32245), (9500, 25796), (12898, 19000)]