86784400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 90

約数和(自身を含む): 220416882

約数和(自身を除く): 133632482

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 361, 380, 400, 475, 601, 722, 760, 950, 1202, 1444, 1520, 1805, 1900, 2404, 2888, 3005, 3610, 3800, 4808, 5776, 6010, 7220, 7600, 9025, 9616, 11419, 12020, 14440, 15025, 18050, 22838, 24040, 28880, 30050, 36100, 45676, 48080, 57095, 60100, 72200, 91352, 114190, 120200, 144400, 182704, 216961, 228380, 240400, 285475, 433922, 456760, 570950, 867844, 913520, 1084805, 1141900, 1735688, 2169610, 2283800, 3471376, 4339220, 4567600, 5424025, 8678440, 10848050, 17356880, 21696100, 43392200, 86784400]

約数ペア:

[(1, 86784400), (2, 43392200), (4, 21696100), (5, 17356880), (8, 10848050), (10, 8678440), (16, 5424025), (19, 4567600), (20, 4339220), (25, 3471376), (38, 2283800), (40, 2169610), (50, 1735688), (76, 1141900), (80, 1084805), (95, 913520), (100, 867844), (152, 570950), (190, 456760), (200, 433922), (304, 285475), (361, 240400), (380, 228380), (400, 216961), (475, 182704), (601, 144400), (722, 120200), (760, 114190), (950, 91352), (1202, 72200), (1444, 60100), (1520, 57095), (1805, 48080), (1900, 45676), (2404, 36100), (2888, 30050), (3005, 28880), (3610, 24040), (3800, 22838), (4808, 18050), (5776, 15025), (6010, 14440), (7220, 12020), (7600, 11419), (9025, 9616)]