28068950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 38593450

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 130, 155, 175, 182, 199, 217, 310, 325, 350, 398, 403, 434, 455, 650, 775, 806, 910, 995, 1085, 1393, 1550, 1990, 2015, 2170, 2275, 2587, 2786, 2821, 4030, 4550, 4975, 5174, 5425, 5642, 6169, 6965, 9950, 10075, 10850, 12338, 12935, 13930, 14105, 18109, 20150, 25870, 28210, 30845, 34825, 36218, 43183, 61690, 64675, 69650, 70525, 80197, 86366, 90545, 129350, 141050, 154225, 160394, 181090, 215915, 308450, 400985, 431830, 452725, 561379, 801970, 905450, 1079575, 1122758, 2004925, 2159150, 2806895, 4009850, 5613790, 14034475, 28068950]

約数ペア:

[(1, 28068950), (2, 14034475), (5, 5613790), (7, 4009850), (10, 2806895), (13, 2159150), (14, 2004925), (25, 1122758), (26, 1079575), (31, 905450), (35, 801970), (50, 561379), (62, 452725), (65, 431830), (70, 400985), (91, 308450), (130, 215915), (155, 181090), (175, 160394), (182, 154225), (199, 141050), (217, 129350), (310, 90545), (325, 86366), (350, 80197), (398, 70525), (403, 69650), (434, 64675), (455, 61690), (650, 43183), (775, 36218), (806, 34825), (910, 30845), (995, 28210), (1085, 25870), (1393, 20150), (1550, 18109), (1990, 14105), (2015, 13930), (2170, 12935), (2275, 12338), (2587, 10850), (2786, 10075), (2821, 9950), (4030, 6965), (4550, 6169), (4975, 5642), (5174, 5425)]