287236420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1597}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 668072664

約数和(自身を除く): 380836244

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 529, 782, 1058, 1564, 1597, 1955, 2116, 2645, 3194, 3910, 5290, 6388, 7820, 7985, 8993, 10580, 15970, 17986, 27149, 31940, 35972, 36731, 44965, 54298, 73462, 89930, 108596, 135745, 146924, 179860, 183655, 271490, 367310, 542980, 624427, 734620, 844813, 1248854, 1689626, 2497708, 3122135, 3379252, 4224065, 6244270, 8448130, 12488540, 14361821, 16896260, 28723642, 57447284, 71809105, 143618210, 287236420]

約数ペア:

[(1, 287236420), (2, 143618210), (4, 71809105), (5, 57447284), (10, 28723642), (17, 16896260), (20, 14361821), (23, 12488540), (34, 8448130), (46, 6244270), (68, 4224065), (85, 3379252), (92, 3122135), (115, 2497708), (170, 1689626), (230, 1248854), (340, 844813), (391, 734620), (460, 624427), (529, 542980), (782, 367310), (1058, 271490), (1564, 183655), (1597, 179860), (1955, 146924), (2116, 135745), (2645, 108596), (3194, 89930), (3910, 73462), (5290, 54298), (6388, 44965), (7820, 36731), (7985, 35972), (8993, 31940), (10580, 27149), (15970, 17986)]