2488890040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:546

約数の個数: 192

約数和(自身を含む): 6996456000

約数和(自身を除く): 4507565960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 149, 169, 182, 260, 280, 298, 338, 353, 364, 455, 520, 596, 676, 706, 728, 745, 845, 910, 1043, 1183, 1192, 1352, 1412, 1490, 1690, 1765, 1820, 1937, 2086, 2366, 2471, 2824, 2980, 3380, 3530, 3640, 3874, 4172, 4589, 4732, 4942, 5215, 5915, 5960, 6760, 7060, 7748, 8344, 9178, 9464, 9685, 9884, 10430, 11830, 12355, 13559, 14120, 15496, 18356, 19370, 19768, 20860, 22945, 23660, 24710, 25181, 27118, 32123, 36712, 38740, 41720, 45890, 47320, 49420, 50362, 52597, 54236, 59657, 64246, 67795, 77480, 91780, 98840, 100724, 105194, 108472, 119314, 125905, 128492, 135590, 160615, 176267, 183560, 201448, 210388, 238628, 251810, 256984, 262985, 271180, 298285, 321230, 352534, 368179, 417599, 420776, 477256, 503620, 525970, 542360, 596570, 642460, 683761, 705068, 736358, 835198, 881335, 1007240, 1051940, 1193140, 1284920, 1367522, 1410136, 1472716, 1670396, 1762670, 1840895, 2087995, 2103880, 2386280, 2735044, 2945432, 3340792, 3418805, 3525340, 3681790, 4175990, 4786327, 5470088, 6837610, 7050680, 7363580, 8351980, 8888893, 9572654, 13675220, 14727160, 16703960, 17777786, 19145308, 23931635, 27350440, 35555572, 38290616, 44444465, 47863270, 62222251, 71111144, 88888930, 95726540, 124444502, 177777860, 191453080, 248889004, 311111255, 355555720, 497778008, 622222510, 1244445020, 2488890040]

約数ペア:

[(1, 2488890040), (2, 1244445020), (4, 622222510), (5, 497778008), (7, 355555720), (8, 311111255), (10, 248889004), (13, 191453080), (14, 177777860), (20, 124444502), (26, 95726540), (28, 88888930), (35, 71111144), (40, 62222251), (52, 47863270), (56, 44444465), (65, 38290616), (70, 35555572), (91, 27350440), (104, 23931635), (130, 19145308), (140, 17777786), (149, 16703960), (169, 14727160), (182, 13675220), (260, 9572654), (280, 8888893), (298, 8351980), (338, 7363580), (353, 7050680), (364, 6837610), (455, 5470088), (520, 4786327), (596, 4175990), (676, 3681790), (706, 3525340), (728, 3418805), (745, 3340792), (845, 2945432), (910, 2735044), (1043, 2386280), (1183, 2103880), (1192, 2087995), (1352, 1840895), (1412, 1762670), (1490, 1670396), (1690, 1472716), (1765, 1410136), (1820, 1367522), (1937, 1284920), (2086, 1193140), (2366, 1051940), (2471, 1007240), (2824, 881335), (2980, 835198), (3380, 736358), (3530, 705068), (3640, 683761), (3874, 642460), (4172, 596570), (4589, 542360), (4732, 525970), (4942, 503620), (5215, 477256), (5915, 420776), (5960, 417599), (6760, 368179), (7060, 352534), (7748, 321230), (8344, 298285), (9178, 271180), (9464, 262985), (9685, 256984), (9884, 251810), (10430, 238628), (11830, 210388), (12355, 201448), (13559, 183560), (14120, 176267), (15496, 160615), (18356, 135590), (19370, 128492), (19768, 125905), (20860, 119314), (22945, 108472), (23660, 105194), (24710, 100724), (25181, 98840), (27118, 91780), (32123, 77480), (36712, 67795), (38740, 64246), (41720, 59657), (45890, 54236), (47320, 52597), (49420, 50362)]