2019202480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 5016696768

約数和(自身を除く): 2997494288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 61, 74, 80, 106, 122, 148, 185, 211, 212, 244, 265, 296, 305, 370, 422, 424, 488, 530, 592, 610, 740, 844, 848, 976, 1055, 1060, 1220, 1480, 1688, 1961, 2110, 2120, 2257, 2440, 2960, 3233, 3376, 3922, 4220, 4240, 4514, 4880, 6466, 7807, 7844, 8440, 9028, 9805, 11183, 11285, 12871, 12932, 15614, 15688, 16165, 16880, 18056, 19610, 22366, 22570, 25742, 25864, 31228, 31376, 32330, 36112, 39035, 39220, 44732, 45140, 51484, 51728, 55915, 62456, 64355, 64660, 78070, 78440, 89464, 90280, 102968, 111830, 119621, 124912, 128710, 129320, 156140, 156880, 178928, 180560, 205936, 223660, 239242, 257420, 258640, 312280, 413771, 447320, 476227, 478484, 514840, 598105, 624560, 682163, 827542, 894640, 952454, 956968, 1029680, 1196210, 1364326, 1655084, 1904908, 1913936, 2068855, 2381135, 2392420, 2728652, 3310168, 3410815, 3809816, 4137710, 4762270, 4784840, 5457304, 6620336, 6821630, 7619632, 8275420, 9524540, 9569680, 10914608, 13643260, 16550840, 19049080, 25240031, 27286520, 33101680, 38098160, 50480062, 54573040, 100960124, 126200155, 201920248, 252400310, 403840496, 504800620, 1009601240, 2019202480]

約数ペア:

[(1, 2019202480), (2, 1009601240), (4, 504800620), (5, 403840496), (8, 252400310), (10, 201920248), (16, 126200155), (20, 100960124), (37, 54573040), (40, 50480062), (53, 38098160), (61, 33101680), (74, 27286520), (80, 25240031), (106, 19049080), (122, 16550840), (148, 13643260), (185, 10914608), (211, 9569680), (212, 9524540), (244, 8275420), (265, 7619632), (296, 6821630), (305, 6620336), (370, 5457304), (422, 4784840), (424, 4762270), (488, 4137710), (530, 3809816), (592, 3410815), (610, 3310168), (740, 2728652), (844, 2392420), (848, 2381135), (976, 2068855), (1055, 1913936), (1060, 1904908), (1220, 1655084), (1480, 1364326), (1688, 1196210), (1961, 1029680), (2110, 956968), (2120, 952454), (2257, 894640), (2440, 827542), (2960, 682163), (3233, 624560), (3376, 598105), (3922, 514840), (4220, 478484), (4240, 476227), (4514, 447320), (4880, 413771), (6466, 312280), (7807, 258640), (7844, 257420), (8440, 239242), (9028, 223660), (9805, 205936), (11183, 180560), (11285, 178928), (12871, 156880), (12932, 156140), (15614, 129320), (15688, 128710), (16165, 124912), (16880, 119621), (18056, 111830), (19610, 102968), (22366, 90280), (22570, 89464), (25742, 78440), (25864, 78070), (31228, 64660), (31376, 64355), (32330, 62456), (36112, 55915), (39035, 51728), (39220, 51484), (44732, 45140)]