74678730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1787}}^1$

素因数の和:2003

約数の個数: 64

約数和(自身を含む): 205977600

約数和(自身を除く): 131298870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1787, 1990, 2786, 2985, 3574, 4179, 5361, 5970, 6965, 8358, 8935, 10722, 12509, 13930, 17870, 20895, 25018, 26805, 37527, 41790, 53610, 62545, 75054, 125090, 187635, 355613, 375270, 711226, 1066839, 1778065, 2133678, 2489291, 3556130, 4978582, 5334195, 7467873, 10668390, 12446455, 14935746, 24892910, 37339365, 74678730]

約数ペア:

[(1, 74678730), (2, 37339365), (3, 24892910), (5, 14935746), (6, 12446455), (7, 10668390), (10, 7467873), (14, 5334195), (15, 4978582), (21, 3556130), (30, 2489291), (35, 2133678), (42, 1778065), (70, 1066839), (105, 711226), (199, 375270), (210, 355613), (398, 187635), (597, 125090), (995, 75054), (1194, 62545), (1393, 53610), (1787, 41790), (1990, 37527), (2786, 26805), (2985, 25018), (3574, 20895), (4179, 17870), (5361, 13930), (5970, 12509), (6965, 10722), (8358, 8935)]