9907480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 25855200

約数和(自身を除く): 15947720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 89, 92, 110, 115, 121, 178, 184, 220, 230, 242, 253, 356, 440, 445, 460, 484, 506, 605, 712, 890, 920, 968, 979, 1012, 1210, 1265, 1780, 1958, 2024, 2047, 2420, 2530, 2783, 3560, 3916, 4094, 4840, 4895, 5060, 5566, 7832, 8188, 9790, 10120, 10235, 10769, 11132, 13915, 16376, 19580, 20470, 21538, 22264, 22517, 27830, 39160, 40940, 43076, 45034, 53845, 55660, 81880, 86152, 90068, 107690, 111320, 112585, 180136, 215380, 225170, 247687, 430760, 450340, 495374, 900680, 990748, 1238435, 1981496, 2476870, 4953740, 9907480]

約数ペア:

[(1, 9907480), (2, 4953740), (4, 2476870), (5, 1981496), (8, 1238435), (10, 990748), (11, 900680), (20, 495374), (22, 450340), (23, 430760), (40, 247687), (44, 225170), (46, 215380), (55, 180136), (88, 112585), (89, 111320), (92, 107690), (110, 90068), (115, 86152), (121, 81880), (178, 55660), (184, 53845), (220, 45034), (230, 43076), (242, 40940), (253, 39160), (356, 27830), (440, 22517), (445, 22264), (460, 21538), (484, 20470), (506, 19580), (605, 16376), (712, 13915), (890, 11132), (920, 10769), (968, 10235), (979, 10120), (1012, 9790), (1210, 8188), (1265, 7832), (1780, 5566), (1958, 5060), (2024, 4895), (2047, 4840), (2420, 4094), (2530, 3916), (2783, 3560)]