747804940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{20443}}^1$

素因数の和:20542

約数の個数: 48

約数和(自身を含む): 1648604160

約数和(自身を除く): 900799220

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7316, 9145, 18290, 20443, 36580, 40886, 81772, 102215, 204430, 408860, 633733, 1206137, 1267466, 2412274, 2534932, 3168665, 4824548, 6030685, 6337330, 12061370, 12674660, 24122740, 37390247, 74780494, 149560988, 186951235, 373902470, 747804940]

約数ペア:

[(1, 747804940), (2, 373902470), (4, 186951235), (5, 149560988), (10, 74780494), (20, 37390247), (31, 24122740), (59, 12674660), (62, 12061370), (118, 6337330), (124, 6030685), (155, 4824548), (236, 3168665), (295, 2534932), (310, 2412274), (590, 1267466), (620, 1206137), (1180, 633733), (1829, 408860), (3658, 204430), (7316, 102215), (9145, 81772), (18290, 40886), (20443, 36580)]