1914390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 5054400

約数和(自身を除く): 3140010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 239, 267, 445, 478, 534, 717, 801, 890, 1195, 1335, 1434, 1602, 2151, 2390, 2670, 3585, 4005, 4302, 7170, 8010, 10755, 21271, 21510, 42542, 63813, 106355, 127626, 191439, 212710, 319065, 382878, 638130, 957195, 1914390]

約数ペア:

[(1, 1914390), (2, 957195), (3, 638130), (5, 382878), (6, 319065), (9, 212710), (10, 191439), (15, 127626), (18, 106355), (30, 63813), (45, 42542), (89, 21510), (90, 21271), (178, 10755), (239, 8010), (267, 7170), (445, 4302), (478, 4005), (534, 3585), (717, 2670), (801, 2390), (890, 2151), (1195, 1602), (1335, 1434)]