28721850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 75096384

約数和(自身を除く): 46374534

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 61, 73, 75, 86, 122, 129, 146, 150, 183, 215, 219, 258, 305, 365, 366, 430, 438, 610, 645, 730, 915, 1075, 1095, 1290, 1525, 1825, 1830, 2150, 2190, 2623, 3050, 3139, 3225, 3650, 4453, 4575, 5246, 5475, 6278, 6450, 7869, 8906, 9150, 9417, 10950, 13115, 13359, 15695, 15738, 18834, 22265, 26230, 26718, 31390, 39345, 44530, 47085, 65575, 66795, 78475, 78690, 94170, 111325, 131150, 133590, 156950, 191479, 196725, 222650, 235425, 333975, 382958, 393450, 470850, 574437, 667950, 957395, 1148874, 1914790, 2872185, 4786975, 5744370, 9573950, 14360925, 28721850]

約数ペア:

[(1, 28721850), (2, 14360925), (3, 9573950), (5, 5744370), (6, 4786975), (10, 2872185), (15, 1914790), (25, 1148874), (30, 957395), (43, 667950), (50, 574437), (61, 470850), (73, 393450), (75, 382958), (86, 333975), (122, 235425), (129, 222650), (146, 196725), (150, 191479), (183, 156950), (215, 133590), (219, 131150), (258, 111325), (305, 94170), (365, 78690), (366, 78475), (430, 66795), (438, 65575), (610, 47085), (645, 44530), (730, 39345), (915, 31390), (1075, 26718), (1095, 26230), (1290, 22265), (1525, 18834), (1825, 15738), (1830, 15695), (2150, 13359), (2190, 13115), (2623, 10950), (3050, 9417), (3139, 9150), (3225, 8906), (3650, 7869), (4453, 6450), (4575, 6278), (5246, 5475)]