19299700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 48608000

約数和(自身を除く): 29308300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 349, 350, 395, 553, 698, 700, 790, 1106, 1396, 1580, 1745, 1975, 2212, 2443, 2765, 3490, 3950, 4886, 5530, 6980, 7900, 8725, 9772, 11060, 12215, 13825, 17450, 24430, 27571, 27650, 34900, 48860, 55142, 55300, 61075, 110284, 122150, 137855, 192997, 244300, 275710, 385994, 551420, 689275, 771988, 964985, 1378550, 1929970, 2757100, 3859940, 4824925, 9649850, 19299700]

約数ペア:

[(1, 19299700), (2, 9649850), (4, 4824925), (5, 3859940), (7, 2757100), (10, 1929970), (14, 1378550), (20, 964985), (25, 771988), (28, 689275), (35, 551420), (50, 385994), (70, 275710), (79, 244300), (100, 192997), (140, 137855), (158, 122150), (175, 110284), (316, 61075), (349, 55300), (350, 55142), (395, 48860), (553, 34900), (698, 27650), (700, 27571), (790, 24430), (1106, 17450), (1396, 13825), (1580, 12215), (1745, 11060), (1975, 9772), (2212, 8725), (2443, 7900), (2765, 6980), (3490, 5530), (3950, 4886)]