28304850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{3851}}^1$

素因数の和:3880

約数の個数: 72

約数和(自身を含む): 81677808

約数和(自身を除く): 53372958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 3851, 7350, 7702, 11553, 19255, 23106, 26957, 38510, 53914, 57765, 80871, 96275, 115530, 134785, 161742, 188699, 192550, 269570, 288825, 377398, 404355, 566097, 577650, 673925, 808710, 943495, 1132194, 1347850, 1886990, 2021775, 2830485, 4043550, 4717475, 5660970, 9434950, 14152425, 28304850]

約数ペア:

[(1, 28304850), (2, 14152425), (3, 9434950), (5, 5660970), (6, 4717475), (7, 4043550), (10, 2830485), (14, 2021775), (15, 1886990), (21, 1347850), (25, 1132194), (30, 943495), (35, 808710), (42, 673925), (49, 577650), (50, 566097), (70, 404355), (75, 377398), (98, 288825), (105, 269570), (147, 192550), (150, 188699), (175, 161742), (210, 134785), (245, 115530), (294, 96275), (350, 80871), (490, 57765), (525, 53914), (735, 38510), (1050, 26957), (1225, 23106), (1470, 19255), (2450, 11553), (3675, 7702), (3851, 7350)]