290641120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:825

約数の個数: 192

約数和(自身を含む): 884846592

約数和(自身を除く): 594205472

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 616, 620, 682, 761, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1522, 1540, 1705, 1736, 1760, 2170, 2387, 2464, 2480, 2728, 3044, 3080, 3410, 3472, 3805, 4340, 4774, 4960, 5327, 5456, 6088, 6160, 6820, 6944, 7610, 8371, 8680, 9548, 10654, 10912, 11935, 12176, 12320, 13640, 15220, 16742, 17360, 19096, 21308, 23591, 23870, 24352, 26635, 27280, 30440, 33484, 34720, 38192, 41855, 42616, 47182, 47740, 53270, 54560, 58597, 60880, 66968, 76384, 83710, 85232, 94364, 95480, 106540, 117194, 117955, 121760, 133936, 165137, 167420, 170464, 188728, 190960, 213080, 234388, 235910, 259501, 267872, 292985, 330274, 334840, 377456, 381920, 426160, 468776, 471820, 519002, 585970, 660548, 669680, 754912, 825685, 852320, 937552, 943640, 1038004, 1171940, 1297505, 1321096, 1339360, 1651370, 1816507, 1875104, 1887280, 2076008, 2343880, 2595010, 2642192, 3302740, 3633014, 3774560, 4152016, 4687760, 5190020, 5284384, 6605480, 7266028, 8304032, 9082535, 9375520, 10380040, 13210960, 14532056, 18165070, 20760080, 26421920, 29064112, 36330140, 41520160, 58128224, 72660280, 145320560, 290641120]

約数ペア:

[(1, 290641120), (2, 145320560), (4, 72660280), (5, 58128224), (7, 41520160), (8, 36330140), (10, 29064112), (11, 26421920), (14, 20760080), (16, 18165070), (20, 14532056), (22, 13210960), (28, 10380040), (31, 9375520), (32, 9082535), (35, 8304032), (40, 7266028), (44, 6605480), (55, 5284384), (56, 5190020), (62, 4687760), (70, 4152016), (77, 3774560), (80, 3633014), (88, 3302740), (110, 2642192), (112, 2595010), (124, 2343880), (140, 2076008), (154, 1887280), (155, 1875104), (160, 1816507), (176, 1651370), (217, 1339360), (220, 1321096), (224, 1297505), (248, 1171940), (280, 1038004), (308, 943640), (310, 937552), (341, 852320), (352, 825685), (385, 754912), (434, 669680), (440, 660548), (496, 585970), (560, 519002), (616, 471820), (620, 468776), (682, 426160), (761, 381920), (770, 377456), (868, 334840), (880, 330274), (992, 292985), (1085, 267872), (1120, 259501), (1232, 235910), (1240, 234388), (1364, 213080), (1522, 190960), (1540, 188728), (1705, 170464), (1736, 167420), (1760, 165137), (2170, 133936), (2387, 121760), (2464, 117955), (2480, 117194), (2728, 106540), (3044, 95480), (3080, 94364), (3410, 85232), (3472, 83710), (3805, 76384), (4340, 66968), (4774, 60880), (4960, 58597), (5327, 54560), (5456, 53270), (6088, 47740), (6160, 47182), (6820, 42616), (6944, 41855), (7610, 38192), (8371, 34720), (8680, 33484), (9548, 30440), (10654, 27280), (10912, 26635), (11935, 24352), (12176, 23870), (12320, 23591), (13640, 21308), (15220, 19096), (16742, 17360)]