28950090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74231}}^1$

素因数の和:74254

約数の個数: 32

約数和(自身を含む): 74825856

約数和(自身を除く): 45875766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74231, 148462, 222693, 371155, 445386, 742310, 965003, 1113465, 1930006, 2226930, 2895009, 4825015, 5790018, 9650030, 14475045, 28950090]

約数ペア:

[(1, 28950090), (2, 14475045), (3, 9650030), (5, 5790018), (6, 4825015), (10, 2895009), (13, 2226930), (15, 1930006), (26, 1113465), (30, 965003), (39, 742310), (65, 445386), (78, 371155), (130, 222693), (195, 148462), (390, 74231)]