7719700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 18748800

約数和(自身を除く): 11029100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 239, 323, 340, 380, 425, 475, 478, 646, 850, 950, 956, 1195, 1292, 1615, 1700, 1900, 2390, 3230, 4063, 4541, 4780, 5975, 6460, 8075, 8126, 9082, 11950, 16150, 16252, 18164, 20315, 22705, 23900, 32300, 40630, 45410, 77197, 81260, 90820, 101575, 113525, 154394, 203150, 227050, 308788, 385985, 406300, 454100, 771970, 1543940, 1929925, 3859850, 7719700]

約数ペア:

[(1, 7719700), (2, 3859850), (4, 1929925), (5, 1543940), (10, 771970), (17, 454100), (19, 406300), (20, 385985), (25, 308788), (34, 227050), (38, 203150), (50, 154394), (68, 113525), (76, 101575), (85, 90820), (95, 81260), (100, 77197), (170, 45410), (190, 40630), (239, 32300), (323, 23900), (340, 22705), (380, 20315), (425, 18164), (475, 16252), (478, 16150), (646, 11950), (850, 9082), (950, 8126), (956, 8075), (1195, 6460), (1292, 5975), (1615, 4780), (1700, 4541), (1900, 4063), (2390, 3230)]