90307588

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 193052160

約数和(自身を除く): 102744572

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 89, 98, 124, 167, 178, 196, 217, 334, 356, 434, 623, 668, 868, 1169, 1246, 1519, 2338, 2492, 2759, 3038, 4361, 4676, 5177, 5518, 6076, 8183, 8722, 10354, 11036, 14863, 16366, 17444, 19313, 20708, 29726, 32732, 36239, 38626, 59452, 72478, 77252, 104041, 135191, 144956, 208082, 253673, 270382, 416164, 460753, 507346, 540764, 728287, 921506, 1014692, 1456574, 1843012, 2913148, 3225271, 6450542, 12901084, 22576897, 45153794, 90307588]

約数ペア:

[(1, 90307588), (2, 45153794), (4, 22576897), (7, 12901084), (14, 6450542), (28, 3225271), (31, 2913148), (49, 1843012), (62, 1456574), (89, 1014692), (98, 921506), (124, 728287), (167, 540764), (178, 507346), (196, 460753), (217, 416164), (334, 270382), (356, 253673), (434, 208082), (623, 144956), (668, 135191), (868, 104041), (1169, 77252), (1246, 72478), (1519, 59452), (2338, 38626), (2492, 36239), (2759, 32732), (3038, 29726), (4361, 20708), (4676, 19313), (5177, 17444), (5518, 16366), (6076, 14863), (8183, 11036), (8722, 10354)]