201218375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 279508320

約数和(自身を除く): 78289945

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 179, 391, 425, 529, 575, 895, 1955, 2125, 2645, 2875, 3043, 4117, 4475, 8993, 9775, 13225, 15215, 20585, 22375, 44965, 48875, 66125, 69989, 76075, 94691, 102925, 224825, 349945, 380375, 473455, 514625, 1124125, 1609747, 1749725, 2367275, 8048735, 8748625, 11836375, 40243675, 201218375]

約数ペア:

[(1, 201218375), (5, 40243675), (17, 11836375), (23, 8748625), (25, 8048735), (85, 2367275), (115, 1749725), (125, 1609747), (179, 1124125), (391, 514625), (425, 473455), (529, 380375), (575, 349945), (895, 224825), (1955, 102925), (2125, 94691), (2645, 76075), (2875, 69989), (3043, 66125), (4117, 48875), (4475, 44965), (8993, 22375), (9775, 20585), (13225, 15215)]