289946985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 512179200

約数和(自身を除く): 222232215

約数列:

[1, 3, 5, 15, 17, 37, 51, 79, 85, 111, 185, 237, 255, 389, 395, 555, 629, 1167, 1185, 1343, 1887, 1945, 2923, 3145, 4029, 5835, 6613, 6715, 8769, 9435, 14393, 14615, 19839, 20145, 30731, 33065, 43179, 43845, 49691, 71965, 92193, 99195, 149073, 153655, 215895, 244681, 248455, 460965, 522427, 734043, 745365, 1137047, 1223405, 1567281, 2612135, 3411141, 3670215, 5685235, 7836405, 17055705, 19329799, 57989397, 96648995, 289946985]

約数ペア:

[(1, 289946985), (3, 96648995), (5, 57989397), (15, 19329799), (17, 17055705), (37, 7836405), (51, 5685235), (79, 3670215), (85, 3411141), (111, 2612135), (185, 1567281), (237, 1223405), (255, 1137047), (389, 745365), (395, 734043), (555, 522427), (629, 460965), (1167, 248455), (1185, 244681), (1343, 215895), (1887, 153655), (1945, 149073), (2923, 99195), (3145, 92193), (4029, 71965), (5835, 49691), (6613, 43845), (6715, 43179), (8769, 33065), (9435, 30731), (14393, 20145), (14615, 19839)]