1885369780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 4902912000

約数和(自身を除く): 3017542220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 59, 62, 70, 74, 118, 124, 140, 148, 155, 185, 199, 217, 236, 259, 295, 310, 370, 398, 413, 434, 518, 590, 620, 740, 796, 826, 868, 995, 1036, 1085, 1147, 1180, 1295, 1393, 1652, 1829, 1990, 2065, 2170, 2183, 2294, 2590, 2786, 3658, 3980, 4130, 4340, 4366, 4588, 5180, 5572, 5735, 6169, 6965, 7316, 7363, 8029, 8260, 8732, 9145, 10915, 11470, 11741, 12338, 12803, 13930, 14726, 15281, 16058, 18290, 21830, 22940, 23482, 24676, 25606, 27860, 29452, 30562, 30845, 32116, 36580, 36815, 40145, 43183, 43660, 46964, 51212, 51541, 58705, 61124, 61690, 64015, 67673, 73630, 76405, 80290, 82187, 86366, 103082, 117410, 123380, 128030, 135346, 147260, 152810, 160580, 164374, 172732, 206164, 215915, 228253, 234820, 256060, 257705, 270692, 305620, 328748, 338365, 363971, 410935, 431830, 434417, 456506, 473711, 515410, 676730, 727942, 821870, 863660, 868834, 913012, 947422, 1030820, 1141265, 1353460, 1455884, 1597771, 1643740, 1737668, 1819855, 1894844, 2172085, 2282530, 2368555, 2547797, 3040919, 3195542, 3639710, 4344170, 4565060, 4737110, 5095594, 6081838, 6391084, 7279420, 7988855, 8688340, 9474220, 10191188, 12163676, 12738985, 13466927, 15204595, 15977710, 25477970, 26933854, 30409190, 31955420, 50955940, 53867708, 60818380, 67334635, 94268489, 134669270, 188536978, 269338540, 377073956, 471342445, 942684890, 1885369780]

約数ペア:

[(1, 1885369780), (2, 942684890), (4, 471342445), (5, 377073956), (7, 269338540), (10, 188536978), (14, 134669270), (20, 94268489), (28, 67334635), (31, 60818380), (35, 53867708), (37, 50955940), (59, 31955420), (62, 30409190), (70, 26933854), (74, 25477970), (118, 15977710), (124, 15204595), (140, 13466927), (148, 12738985), (155, 12163676), (185, 10191188), (199, 9474220), (217, 8688340), (236, 7988855), (259, 7279420), (295, 6391084), (310, 6081838), (370, 5095594), (398, 4737110), (413, 4565060), (434, 4344170), (518, 3639710), (590, 3195542), (620, 3040919), (740, 2547797), (796, 2368555), (826, 2282530), (868, 2172085), (995, 1894844), (1036, 1819855), (1085, 1737668), (1147, 1643740), (1180, 1597771), (1295, 1455884), (1393, 1353460), (1652, 1141265), (1829, 1030820), (1990, 947422), (2065, 913012), (2170, 868834), (2183, 863660), (2294, 821870), (2590, 727942), (2786, 676730), (3658, 515410), (3980, 473711), (4130, 456506), (4340, 434417), (4366, 431830), (4588, 410935), (5180, 363971), (5572, 338365), (5735, 328748), (6169, 305620), (6965, 270692), (7316, 257705), (7363, 256060), (8029, 234820), (8260, 228253), (8732, 215915), (9145, 206164), (10915, 172732), (11470, 164374), (11741, 160580), (12338, 152810), (12803, 147260), (13930, 135346), (14726, 128030), (15281, 123380), (16058, 117410), (18290, 103082), (21830, 86366), (22940, 82187), (23482, 80290), (24676, 76405), (25606, 73630), (27860, 67673), (29452, 64015), (30562, 61690), (30845, 61124), (32116, 58705), (36580, 51541), (36815, 51212), (40145, 46964), (43183, 43660)]