201913380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1450

約数の個数: 144

約数和(自身を含む): 660179520

約数和(自身を除く): 458266140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1290, 1373, 1548, 1634, 1710, 1935, 2451, 2580, 2746, 3268, 3420, 3870, 4085, 4119, 4902, 5492, 6865, 7353, 7740, 8170, 8238, 9804, 12255, 12357, 13730, 14706, 16340, 16476, 20595, 24510, 24714, 26087, 27460, 29412, 36765, 41190, 49020, 49428, 52174, 59039, 61785, 73530, 78261, 82380, 104348, 118078, 123570, 130435, 147060, 156522, 177117, 234783, 236156, 247140, 260870, 295195, 313044, 354234, 391305, 469566, 521740, 531351, 590390, 708468, 782610, 885585, 939132, 1062702, 1121741, 1173915, 1180780, 1565220, 1771170, 2125404, 2243482, 2347830, 2656755, 3365223, 3542340, 4486964, 4695660, 5313510, 5608705, 6730446, 10095669, 10627020, 11217410, 13460892, 16826115, 20191338, 22434820, 33652230, 40382676, 50478345, 67304460, 100956690, 201913380]

約数ペア:

[(1, 201913380), (2, 100956690), (3, 67304460), (4, 50478345), (5, 40382676), (6, 33652230), (9, 22434820), (10, 20191338), (12, 16826115), (15, 13460892), (18, 11217410), (19, 10627020), (20, 10095669), (30, 6730446), (36, 5608705), (38, 5313510), (43, 4695660), (45, 4486964), (57, 3542340), (60, 3365223), (76, 2656755), (86, 2347830), (90, 2243482), (95, 2125404), (114, 1771170), (129, 1565220), (171, 1180780), (172, 1173915), (180, 1121741), (190, 1062702), (215, 939132), (228, 885585), (258, 782610), (285, 708468), (342, 590390), (380, 531351), (387, 521740), (430, 469566), (516, 391305), (570, 354234), (645, 313044), (684, 295195), (774, 260870), (817, 247140), (855, 236156), (860, 234783), (1140, 177117), (1290, 156522), (1373, 147060), (1548, 130435), (1634, 123570), (1710, 118078), (1935, 104348), (2451, 82380), (2580, 78261), (2746, 73530), (3268, 61785), (3420, 59039), (3870, 52174), (4085, 49428), (4119, 49020), (4902, 41190), (5492, 36765), (6865, 29412), (7353, 27460), (7740, 26087), (8170, 24714), (8238, 24510), (9804, 20595), (12255, 16476), (12357, 16340), (13730, 14706)]