138850240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13997}}^1$

素因数の和:14045

約数の個数: 56

約数和(自身を含む): 341327232

約数和(自身を除く): 202476992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13997, 27994, 55988, 69985, 111976, 139970, 223952, 279940, 433907, 447904, 559880, 867814, 895808, 1119760, 1735628, 2169535, 2239520, 3471256, 4339070, 4479040, 6942512, 8678140, 13885024, 17356280, 27770048, 34712560, 69425120, 138850240]

約数ペア:

[(1, 138850240), (2, 69425120), (4, 34712560), (5, 27770048), (8, 17356280), (10, 13885024), (16, 8678140), (20, 6942512), (31, 4479040), (32, 4339070), (40, 3471256), (62, 2239520), (64, 2169535), (80, 1735628), (124, 1119760), (155, 895808), (160, 867814), (248, 559880), (310, 447904), (320, 433907), (496, 279940), (620, 223952), (992, 139970), (1240, 111976), (1984, 69985), (2480, 55988), (4960, 27994), (9920, 13997)]