90436460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 204755040

約数和(自身を除く): 114318580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 89, 92, 94, 115, 178, 188, 230, 235, 356, 445, 460, 470, 890, 940, 1081, 1780, 2047, 2162, 2209, 4094, 4183, 4324, 4418, 5405, 8188, 8366, 8836, 10235, 10810, 11045, 16732, 20470, 20915, 21620, 22090, 40940, 41830, 44180, 50807, 83660, 96209, 101614, 192418, 196601, 203228, 254035, 384836, 393202, 481045, 508070, 786404, 962090, 983005, 1016140, 1924180, 1966010, 3932020, 4521823, 9043646, 18087292, 22609115, 45218230, 90436460]

約数ペア:

[(1, 90436460), (2, 45218230), (4, 22609115), (5, 18087292), (10, 9043646), (20, 4521823), (23, 3932020), (46, 1966010), (47, 1924180), (89, 1016140), (92, 983005), (94, 962090), (115, 786404), (178, 508070), (188, 481045), (230, 393202), (235, 384836), (356, 254035), (445, 203228), (460, 196601), (470, 192418), (890, 101614), (940, 96209), (1081, 83660), (1780, 50807), (2047, 44180), (2162, 41830), (2209, 40940), (4094, 22090), (4183, 21620), (4324, 20915), (4418, 20470), (5405, 16732), (8188, 11045), (8366, 10810), (8836, 10235)]