28709730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 86112000

約数和(自身を除く): 57402270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 199, 210, 229, 315, 398, 458, 597, 630, 687, 995, 1145, 1194, 1374, 1393, 1603, 1791, 1990, 2061, 2290, 2786, 2985, 3206, 3435, 3582, 4122, 4179, 4809, 5970, 6870, 6965, 8015, 8358, 8955, 9618, 10305, 12537, 13930, 14427, 16030, 17910, 20610, 20895, 24045, 25074, 28854, 41790, 45571, 48090, 62685, 72135, 91142, 125370, 136713, 144270, 227855, 273426, 318997, 410139, 455710, 637994, 683565, 820278, 956991, 1367130, 1594985, 1913982, 2050695, 2870973, 3189970, 4101390, 4784955, 5741946, 9569910, 14354865, 28709730]

約数ペア:

[(1, 28709730), (2, 14354865), (3, 9569910), (5, 5741946), (6, 4784955), (7, 4101390), (9, 3189970), (10, 2870973), (14, 2050695), (15, 1913982), (18, 1594985), (21, 1367130), (30, 956991), (35, 820278), (42, 683565), (45, 637994), (63, 455710), (70, 410139), (90, 318997), (105, 273426), (126, 227855), (199, 144270), (210, 136713), (229, 125370), (315, 91142), (398, 72135), (458, 62685), (597, 48090), (630, 45571), (687, 41790), (995, 28854), (1145, 25074), (1194, 24045), (1374, 20895), (1393, 20610), (1603, 17910), (1791, 16030), (1990, 14427), (2061, 13930), (2290, 12537), (2786, 10305), (2985, 9618), (3206, 8955), (3435, 8358), (3582, 8015), (4122, 6965), (4179, 6870), (4809, 5970)]