203103340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 506761920

約数和(自身を除く): 303658580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 89, 92, 110, 115, 121, 164, 178, 205, 220, 230, 242, 253, 356, 410, 445, 451, 460, 484, 506, 605, 820, 890, 902, 943, 979, 1012, 1210, 1265, 1780, 1804, 1886, 1958, 2047, 2255, 2420, 2530, 2783, 3649, 3772, 3916, 4094, 4510, 4715, 4895, 4961, 5060, 5566, 7298, 8188, 9020, 9430, 9790, 9922, 10235, 10373, 10769, 11132, 13915, 14596, 18245, 18860, 19580, 19844, 20470, 20746, 21538, 22517, 24805, 27830, 36490, 40139, 40940, 41492, 43076, 45034, 49610, 51865, 53845, 55660, 72980, 80278, 83927, 90068, 99220, 103730, 107690, 112585, 114103, 160556, 167854, 200695, 207460, 215380, 225170, 228206, 247687, 335708, 401390, 419635, 441529, 450340, 456412, 495374, 570515, 802780, 839270, 883058, 923197, 990748, 1141030, 1238435, 1678540, 1766116, 1846394, 2207645, 2282060, 2476870, 3692788, 4415290, 4615985, 4953740, 8830580, 9231970, 10155167, 18463940, 20310334, 40620668, 50775835, 101551670, 203103340]

約数ペア:

[(1, 203103340), (2, 101551670), (4, 50775835), (5, 40620668), (10, 20310334), (11, 18463940), (20, 10155167), (22, 9231970), (23, 8830580), (41, 4953740), (44, 4615985), (46, 4415290), (55, 3692788), (82, 2476870), (89, 2282060), (92, 2207645), (110, 1846394), (115, 1766116), (121, 1678540), (164, 1238435), (178, 1141030), (205, 990748), (220, 923197), (230, 883058), (242, 839270), (253, 802780), (356, 570515), (410, 495374), (445, 456412), (451, 450340), (460, 441529), (484, 419635), (506, 401390), (605, 335708), (820, 247687), (890, 228206), (902, 225170), (943, 215380), (979, 207460), (1012, 200695), (1210, 167854), (1265, 160556), (1780, 114103), (1804, 112585), (1886, 107690), (1958, 103730), (2047, 99220), (2255, 90068), (2420, 83927), (2530, 80278), (2783, 72980), (3649, 55660), (3772, 53845), (3916, 51865), (4094, 49610), (4510, 45034), (4715, 43076), (4895, 41492), (4961, 40940), (5060, 40139), (5566, 36490), (7298, 27830), (8188, 24805), (9020, 22517), (9430, 21538), (9790, 20746), (9922, 20470), (10235, 19844), (10373, 19580), (10769, 18860), (11132, 18245), (13915, 14596)]