1889445350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7213}}^1$

素因数の和:7282

約数の個数: 72

約数和(自身を含む): 3928802112

約数和(自身を除く): 2039356762

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 403, 650, 775, 806, 845, 1550, 1690, 2015, 4030, 4225, 5239, 7213, 8450, 10075, 10478, 14426, 20150, 26195, 36065, 52390, 72130, 93769, 130975, 180325, 187538, 223603, 261950, 360650, 447206, 468845, 937690, 1118015, 1218997, 2236030, 2344225, 2437994, 2906839, 4688450, 5590075, 5813678, 6094985, 11180150, 12189970, 14534195, 29068390, 30474925, 37788907, 60949850, 72670975, 75577814, 145341950, 188944535, 377889070, 944722675, 1889445350]

約数ペア:

[(1, 1889445350), (2, 944722675), (5, 377889070), (10, 188944535), (13, 145341950), (25, 75577814), (26, 72670975), (31, 60949850), (50, 37788907), (62, 30474925), (65, 29068390), (130, 14534195), (155, 12189970), (169, 11180150), (310, 6094985), (325, 5813678), (338, 5590075), (403, 4688450), (650, 2906839), (775, 2437994), (806, 2344225), (845, 2236030), (1550, 1218997), (1690, 1118015), (2015, 937690), (4030, 468845), (4225, 447206), (5239, 360650), (7213, 261950), (8450, 223603), (10075, 187538), (10478, 180325), (14426, 130975), (20150, 93769), (26195, 72130), (36065, 52390)]