4200420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 13724928

約数和(自身を除く): 9524508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 137, 140, 146, 210, 219, 274, 292, 365, 411, 420, 438, 511, 548, 685, 730, 822, 876, 959, 1022, 1095, 1370, 1460, 1533, 1644, 1918, 2044, 2055, 2190, 2555, 2740, 2877, 3066, 3836, 4110, 4380, 4795, 5110, 5754, 6132, 7665, 8220, 9590, 10001, 10220, 11508, 14385, 15330, 19180, 20002, 28770, 30003, 30660, 40004, 50005, 57540, 60006, 70007, 100010, 120012, 140014, 150015, 200020, 210021, 280028, 300030, 350035, 420042, 600060, 700070, 840084, 1050105, 1400140, 2100210, 4200420]

約数ペア:

[(1, 4200420), (2, 2100210), (3, 1400140), (4, 1050105), (5, 840084), (6, 700070), (7, 600060), (10, 420042), (12, 350035), (14, 300030), (15, 280028), (20, 210021), (21, 200020), (28, 150015), (30, 140014), (35, 120012), (42, 100010), (60, 70007), (70, 60006), (73, 57540), (84, 50005), (105, 40004), (137, 30660), (140, 30003), (146, 28770), (210, 20002), (219, 19180), (274, 15330), (292, 14385), (365, 11508), (411, 10220), (420, 10001), (438, 9590), (511, 8220), (548, 7665), (685, 6132), (730, 5754), (822, 5110), (876, 4795), (959, 4380), (1022, 4110), (1095, 3836), (1370, 3066), (1460, 2877), (1533, 2740), (1644, 2555), (1918, 2190), (2044, 2055)]