28789330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30308270

約数列:

[1, 2, 5, 10, 17, 23, 34, 37, 46, 74, 85, 115, 170, 185, 199, 230, 370, 391, 398, 629, 782, 851, 995, 1258, 1702, 1955, 1990, 3145, 3383, 3910, 4255, 4577, 6290, 6766, 7363, 8510, 9154, 14467, 14726, 16915, 22885, 28934, 33830, 36815, 45770, 72335, 73630, 77809, 125171, 144670, 155618, 169349, 250342, 338698, 389045, 625855, 778090, 846745, 1251710, 1693490, 2878933, 5757866, 14394665, 28789330]

約数ペア:

[(1, 28789330), (2, 14394665), (5, 5757866), (10, 2878933), (17, 1693490), (23, 1251710), (34, 846745), (37, 778090), (46, 625855), (74, 389045), (85, 338698), (115, 250342), (170, 169349), (185, 155618), (199, 144670), (230, 125171), (370, 77809), (391, 73630), (398, 72335), (629, 45770), (782, 36815), (851, 33830), (995, 28934), (1258, 22885), (1702, 16915), (1955, 14726), (1990, 14467), (3145, 9154), (3383, 8510), (3910, 7363), (4255, 6766), (4577, 6290)]