28104420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 84067200

約数和(自身を除く): 55962780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 228, 267, 277, 285, 356, 380, 445, 534, 554, 570, 831, 890, 1068, 1108, 1140, 1335, 1385, 1662, 1691, 1780, 2670, 2770, 3324, 3382, 4155, 5073, 5263, 5340, 5540, 6764, 8310, 8455, 10146, 10526, 15789, 16620, 16910, 20292, 21052, 24653, 25365, 26315, 31578, 33820, 49306, 50730, 52630, 63156, 73959, 78945, 98612, 101460, 105260, 123265, 147918, 157890, 246530, 295836, 315780, 369795, 468407, 493060, 739590, 936814, 1405221, 1479180, 1873628, 2342035, 2810442, 4684070, 5620884, 7026105, 9368140, 14052210, 28104420]

約数ペア:

[(1, 28104420), (2, 14052210), (3, 9368140), (4, 7026105), (5, 5620884), (6, 4684070), (10, 2810442), (12, 2342035), (15, 1873628), (19, 1479180), (20, 1405221), (30, 936814), (38, 739590), (57, 493060), (60, 468407), (76, 369795), (89, 315780), (95, 295836), (114, 246530), (178, 157890), (190, 147918), (228, 123265), (267, 105260), (277, 101460), (285, 98612), (356, 78945), (380, 73959), (445, 63156), (534, 52630), (554, 50730), (570, 49306), (831, 33820), (890, 31578), (1068, 26315), (1108, 25365), (1140, 24653), (1335, 21052), (1385, 20292), (1662, 16910), (1691, 16620), (1780, 15789), (2670, 10526), (2770, 10146), (3324, 8455), (3382, 8310), (4155, 6764), (5073, 5540), (5263, 5340)]