28170700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 65902032

約数和(自身を除く): 37731332

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 227, 292, 340, 365, 425, 454, 730, 850, 908, 1135, 1241, 1460, 1700, 1825, 2270, 2482, 3650, 3859, 4540, 4964, 5675, 6205, 7300, 7718, 11350, 12410, 15436, 16571, 19295, 22700, 24820, 31025, 33142, 38590, 62050, 66284, 77180, 82855, 96475, 124100, 165710, 192950, 281707, 331420, 385900, 414275, 563414, 828550, 1126828, 1408535, 1657100, 2817070, 5634140, 7042675, 14085350, 28170700]

約数ペア:

[(1, 28170700), (2, 14085350), (4, 7042675), (5, 5634140), (10, 2817070), (17, 1657100), (20, 1408535), (25, 1126828), (34, 828550), (50, 563414), (68, 414275), (73, 385900), (85, 331420), (100, 281707), (146, 192950), (170, 165710), (227, 124100), (292, 96475), (340, 82855), (365, 77180), (425, 66284), (454, 62050), (730, 38590), (850, 33142), (908, 31025), (1135, 24820), (1241, 22700), (1460, 19295), (1700, 16571), (1825, 15436), (2270, 12410), (2482, 11350), (3650, 7718), (3859, 7300), (4540, 6205), (4964, 5675)]