840670400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1067

約数の個数: 168

約数和(自身を含む): 2263176576

約数和(自身を除く): 1422506176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 136, 155, 160, 170, 200, 248, 272, 310, 320, 340, 400, 425, 496, 527, 544, 620, 680, 775, 800, 850, 992, 997, 1054, 1088, 1240, 1360, 1550, 1600, 1700, 1984, 1994, 2108, 2480, 2635, 2720, 3100, 3400, 3988, 4216, 4960, 4985, 5270, 5440, 6200, 6800, 7976, 8432, 9920, 9970, 10540, 12400, 13175, 13600, 15952, 16864, 16949, 19940, 21080, 24800, 24925, 26350, 27200, 30907, 31904, 33728, 33898, 39880, 42160, 49600, 49850, 52700, 61814, 63808, 67796, 79760, 84320, 84745, 99700, 105400, 123628, 135592, 154535, 159520, 168640, 169490, 199400, 210800, 247256, 271184, 309070, 319040, 338980, 398800, 421600, 423725, 494512, 525419, 542368, 618140, 677960, 772675, 797600, 843200, 847450, 989024, 1050838, 1084736, 1236280, 1355920, 1545350, 1595200, 1694900, 1978048, 2101676, 2472560, 2627095, 2711840, 3090700, 3389800, 4203352, 4945120, 5254190, 5423680, 6181400, 6779600, 8406704, 9890240, 10508380, 12362800, 13135475, 13559200, 16813408, 21016760, 24725600, 26270950, 27118400, 33626816, 42033520, 49451200, 52541900, 84067040, 105083800, 168134080, 210167600, 420335200, 840670400]

約数ペア:

[(1, 840670400), (2, 420335200), (4, 210167600), (5, 168134080), (8, 105083800), (10, 84067040), (16, 52541900), (17, 49451200), (20, 42033520), (25, 33626816), (31, 27118400), (32, 26270950), (34, 24725600), (40, 21016760), (50, 16813408), (62, 13559200), (64, 13135475), (68, 12362800), (80, 10508380), (85, 9890240), (100, 8406704), (124, 6779600), (136, 6181400), (155, 5423680), (160, 5254190), (170, 4945120), (200, 4203352), (248, 3389800), (272, 3090700), (310, 2711840), (320, 2627095), (340, 2472560), (400, 2101676), (425, 1978048), (496, 1694900), (527, 1595200), (544, 1545350), (620, 1355920), (680, 1236280), (775, 1084736), (800, 1050838), (850, 989024), (992, 847450), (997, 843200), (1054, 797600), (1088, 772675), (1240, 677960), (1360, 618140), (1550, 542368), (1600, 525419), (1700, 494512), (1984, 423725), (1994, 421600), (2108, 398800), (2480, 338980), (2635, 319040), (2720, 309070), (3100, 271184), (3400, 247256), (3988, 210800), (4216, 199400), (4960, 169490), (4985, 168640), (5270, 159520), (5440, 154535), (6200, 135592), (6800, 123628), (7976, 105400), (8432, 99700), (9920, 84745), (9970, 84320), (10540, 79760), (12400, 67796), (13175, 63808), (13600, 61814), (15952, 52700), (16864, 49850), (16949, 49600), (19940, 42160), (21080, 39880), (24800, 33898), (24925, 33728), (26350, 31904), (27200, 30907)]