8909970400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{811}}^1$

素因数の和:1305

約数の個数: 144

約数和(自身を含む): 22531557888

約数和(自身を除く): 13621587488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 443, 496, 620, 775, 800, 811, 886, 992, 1240, 1550, 1622, 1772, 2215, 2480, 3100, 3244, 3544, 4055, 4430, 4960, 6200, 6488, 7088, 8110, 8860, 11075, 12400, 12976, 13733, 14176, 16220, 17720, 20275, 22150, 24800, 25141, 25952, 27466, 32440, 35440, 40550, 44300, 50282, 54932, 64880, 68665, 70880, 81100, 88600, 100564, 109864, 125705, 129760, 137330, 162200, 177200, 201128, 219728, 251410, 274660, 324400, 343325, 354400, 359273, 402256, 439456, 502820, 549320, 628525, 648800, 686650, 718546, 804512, 1005640, 1098640, 1257050, 1373300, 1437092, 1796365, 2011280, 2197280, 2514100, 2746600, 2874184, 3592730, 4022560, 5028200, 5493200, 5748368, 7185460, 8981825, 10056400, 10986400, 11137463, 11496736, 14370920, 17963650, 20112800, 22274926, 28741840, 35927300, 44549852, 55687315, 57483680, 71854600, 89099704, 111374630, 143709200, 178199408, 222749260, 278436575, 287418400, 356398816, 445498520, 556873150, 890997040, 1113746300, 1781994080, 2227492600, 4454985200, 8909970400]

約数ペア:

[(1, 8909970400), (2, 4454985200), (4, 2227492600), (5, 1781994080), (8, 1113746300), (10, 890997040), (16, 556873150), (20, 445498520), (25, 356398816), (31, 287418400), (32, 278436575), (40, 222749260), (50, 178199408), (62, 143709200), (80, 111374630), (100, 89099704), (124, 71854600), (155, 57483680), (160, 55687315), (200, 44549852), (248, 35927300), (310, 28741840), (400, 22274926), (443, 20112800), (496, 17963650), (620, 14370920), (775, 11496736), (800, 11137463), (811, 10986400), (886, 10056400), (992, 8981825), (1240, 7185460), (1550, 5748368), (1622, 5493200), (1772, 5028200), (2215, 4022560), (2480, 3592730), (3100, 2874184), (3244, 2746600), (3544, 2514100), (4055, 2197280), (4430, 2011280), (4960, 1796365), (6200, 1437092), (6488, 1373300), (7088, 1257050), (8110, 1098640), (8860, 1005640), (11075, 804512), (12400, 718546), (12976, 686650), (13733, 648800), (14176, 628525), (16220, 549320), (17720, 502820), (20275, 439456), (22150, 402256), (24800, 359273), (25141, 354400), (25952, 343325), (27466, 324400), (32440, 274660), (35440, 251410), (40550, 219728), (44300, 201128), (50282, 177200), (54932, 162200), (64880, 137330), (68665, 129760), (70880, 125705), (81100, 109864), (88600, 100564)]