153711220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3001}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 349504848

約数和(自身を除く): 195793628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3001, 3940, 5122, 6002, 10244, 12004, 12805, 15005, 25610, 30010, 39013, 51220, 60020, 78026, 156052, 195065, 390130, 591197, 780260, 1182394, 2364788, 2955985, 5911970, 7685561, 11823940, 15371122, 30742244, 38427805, 76855610, 153711220]

約数ペア:

[(1, 153711220), (2, 76855610), (4, 38427805), (5, 30742244), (10, 15371122), (13, 11823940), (20, 7685561), (26, 5911970), (52, 2955985), (65, 2364788), (130, 1182394), (197, 780260), (260, 591197), (394, 390130), (788, 195065), (985, 156052), (1970, 78026), (2561, 60020), (3001, 51220), (3940, 39013), (5122, 30010), (6002, 25610), (10244, 15005), (12004, 12805)]