7219700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 16957248

約数和(自身を除く): 9737548

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 73, 86, 92, 100, 115, 146, 172, 215, 230, 292, 365, 430, 460, 575, 730, 860, 989, 1075, 1150, 1460, 1679, 1825, 1978, 2150, 2300, 3139, 3358, 3650, 3956, 4300, 4945, 6278, 6716, 7300, 8395, 9890, 12556, 15695, 16790, 19780, 24725, 31390, 33580, 41975, 49450, 62780, 72197, 78475, 83950, 98900, 144394, 156950, 167900, 288788, 313900, 360985, 721970, 1443940, 1804925, 3609850, 7219700]

約数ペア:

[(1, 7219700), (2, 3609850), (4, 1804925), (5, 1443940), (10, 721970), (20, 360985), (23, 313900), (25, 288788), (43, 167900), (46, 156950), (50, 144394), (73, 98900), (86, 83950), (92, 78475), (100, 72197), (115, 62780), (146, 49450), (172, 41975), (215, 33580), (230, 31390), (292, 24725), (365, 19780), (430, 16790), (460, 15695), (575, 12556), (730, 9890), (860, 8395), (989, 7300), (1075, 6716), (1150, 6278), (1460, 4945), (1679, 4300), (1825, 3956), (1978, 3650), (2150, 3358), (2300, 3139)]