18982600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 55660500

約数和(自身を除く): 36677900

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 149, 175, 182, 196, 200, 245, 260, 280, 298, 325, 350, 364, 392, 455, 490, 520, 596, 637, 650, 700, 728, 745, 910, 980, 1043, 1192, 1225, 1274, 1300, 1400, 1490, 1820, 1937, 1960, 2086, 2275, 2450, 2548, 2600, 2980, 3185, 3640, 3725, 3874, 4172, 4550, 4900, 5096, 5215, 5960, 6370, 7301, 7450, 7748, 8344, 9100, 9685, 9800, 10430, 12740, 13559, 14602, 14900, 15496, 15925, 18200, 19370, 20860, 25480, 26075, 27118, 29204, 29800, 31850, 36505, 38740, 41720, 48425, 52150, 54236, 58408, 63700, 67795, 73010, 77480, 94913, 96850, 104300, 108472, 127400, 135590, 146020, 182525, 189826, 193700, 208600, 271180, 292040, 338975, 365050, 379652, 387400, 474565, 542360, 677950, 730100, 759304, 949130, 1355900, 1460200, 1898260, 2372825, 2711800, 3796520, 4745650, 9491300, 18982600]

約数ペア:

[(1, 18982600), (2, 9491300), (4, 4745650), (5, 3796520), (7, 2711800), (8, 2372825), (10, 1898260), (13, 1460200), (14, 1355900), (20, 949130), (25, 759304), (26, 730100), (28, 677950), (35, 542360), (40, 474565), (49, 387400), (50, 379652), (52, 365050), (56, 338975), (65, 292040), (70, 271180), (91, 208600), (98, 193700), (100, 189826), (104, 182525), (130, 146020), (140, 135590), (149, 127400), (175, 108472), (182, 104300), (196, 96850), (200, 94913), (245, 77480), (260, 73010), (280, 67795), (298, 63700), (325, 58408), (350, 54236), (364, 52150), (392, 48425), (455, 41720), (490, 38740), (520, 36505), (596, 31850), (637, 29800), (650, 29204), (700, 27118), (728, 26075), (745, 25480), (910, 20860), (980, 19370), (1043, 18200), (1192, 15925), (1225, 15496), (1274, 14900), (1300, 14602), (1400, 13559), (1490, 12740), (1820, 10430), (1937, 9800), (1960, 9685), (2086, 9100), (2275, 8344), (2450, 7748), (2548, 7450), (2600, 7301), (2980, 6370), (3185, 5960), (3640, 5215), (3725, 5096), (3874, 4900), (4172, 4550)]