19223750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^3$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 44610720

約数和(自身を除く): 25386970

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 169, 175, 182, 250, 325, 338, 350, 455, 625, 650, 845, 875, 910, 1183, 1250, 1625, 1690, 1750, 2197, 2275, 2366, 3250, 4225, 4375, 4394, 4550, 5915, 8125, 8450, 8750, 10985, 11375, 11830, 15379, 16250, 21125, 21970, 22750, 29575, 30758, 42250, 54925, 56875, 59150, 76895, 105625, 109850, 113750, 147875, 153790, 211250, 274625, 295750, 384475, 549250, 739375, 768950, 1373125, 1478750, 1922375, 2746250, 3844750, 9611875, 19223750]

約数ペア:

[(1, 19223750), (2, 9611875), (5, 3844750), (7, 2746250), (10, 1922375), (13, 1478750), (14, 1373125), (25, 768950), (26, 739375), (35, 549250), (50, 384475), (65, 295750), (70, 274625), (91, 211250), (125, 153790), (130, 147875), (169, 113750), (175, 109850), (182, 105625), (250, 76895), (325, 59150), (338, 56875), (350, 54925), (455, 42250), (625, 30758), (650, 29575), (845, 22750), (875, 21970), (910, 21125), (1183, 16250), (1250, 15379), (1625, 11830), (1690, 11375), (1750, 10985), (2197, 8750), (2275, 8450), (2366, 8125), (3250, 5915), (4225, 4550), (4375, 4394)]