644587140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{228577}}^1$

素因数の和:228636

約数の個数: 48

約数和(自身を含む): 1843252992

約数和(自身を除く): 1198665852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 228577, 457154, 685731, 914308, 1142885, 1371462, 2285770, 2742924, 3428655, 4571540, 6857310, 10743119, 13714620, 21486238, 32229357, 42972476, 53715595, 64458714, 107431190, 128917428, 161146785, 214862380, 322293570, 644587140]

約数ペア:

[(1, 644587140), (2, 322293570), (3, 214862380), (4, 161146785), (5, 128917428), (6, 107431190), (10, 64458714), (12, 53715595), (15, 42972476), (20, 32229357), (30, 21486238), (47, 13714620), (60, 10743119), (94, 6857310), (141, 4571540), (188, 3428655), (235, 2742924), (282, 2285770), (470, 1371462), (564, 1142885), (705, 914308), (940, 685731), (1410, 457154), (2820, 228577)]