203770820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 521035200

約数和(自身を除く): 317264380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 41, 44, 55, 58, 76, 82, 95, 110, 116, 145, 164, 190, 205, 209, 220, 290, 319, 380, 410, 418, 451, 551, 580, 638, 779, 820, 836, 902, 1045, 1102, 1189, 1276, 1558, 1595, 1681, 1804, 2090, 2204, 2255, 2378, 2755, 3116, 3190, 3362, 3895, 4180, 4510, 4756, 5510, 5945, 6061, 6380, 6724, 7790, 8405, 8569, 9020, 11020, 11890, 12122, 13079, 15580, 16810, 17138, 18491, 22591, 23780, 24244, 26158, 30305, 31939, 33620, 34276, 36982, 42845, 45182, 48749, 52316, 60610, 63878, 65395, 73964, 85690, 90364, 92455, 97498, 112955, 121220, 127756, 130790, 159695, 171380, 184910, 194996, 225910, 243745, 248501, 261580, 319390, 351329, 369820, 451820, 487490, 497002, 536239, 638780, 702658, 926231, 974980, 994004, 1072478, 1242505, 1405316, 1756645, 1852462, 2144956, 2485010, 2681195, 3513290, 3704924, 4631155, 4970020, 5362390, 7026580, 9262310, 10188541, 10724780, 18524620, 20377082, 40754164, 50942705, 101885410, 203770820]

約数ペア:

[(1, 203770820), (2, 101885410), (4, 50942705), (5, 40754164), (10, 20377082), (11, 18524620), (19, 10724780), (20, 10188541), (22, 9262310), (29, 7026580), (38, 5362390), (41, 4970020), (44, 4631155), (55, 3704924), (58, 3513290), (76, 2681195), (82, 2485010), (95, 2144956), (110, 1852462), (116, 1756645), (145, 1405316), (164, 1242505), (190, 1072478), (205, 994004), (209, 974980), (220, 926231), (290, 702658), (319, 638780), (380, 536239), (410, 497002), (418, 487490), (451, 451820), (551, 369820), (580, 351329), (638, 319390), (779, 261580), (820, 248501), (836, 243745), (902, 225910), (1045, 194996), (1102, 184910), (1189, 171380), (1276, 159695), (1558, 130790), (1595, 127756), (1681, 121220), (1804, 112955), (2090, 97498), (2204, 92455), (2255, 90364), (2378, 85690), (2755, 73964), (3116, 65395), (3190, 63878), (3362, 60610), (3895, 52316), (4180, 48749), (4510, 45182), (4756, 42845), (5510, 36982), (5945, 34276), (6061, 33620), (6380, 31939), (6724, 30305), (7790, 26158), (8405, 24244), (8569, 23780), (9020, 22591), (11020, 18491), (11890, 17138), (12122, 16810), (13079, 15580)]