289753660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 744514848

約数和(自身を除く): 454761188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 61, 70, 74, 98, 122, 131, 140, 148, 185, 196, 244, 245, 259, 262, 305, 370, 427, 490, 518, 524, 610, 655, 740, 854, 917, 980, 1036, 1220, 1295, 1310, 1708, 1813, 1834, 2135, 2257, 2590, 2620, 2989, 3626, 3668, 4270, 4514, 4585, 4847, 5180, 5978, 6419, 7252, 7991, 8540, 9028, 9065, 9170, 9694, 11285, 11956, 12838, 14945, 15799, 15982, 18130, 18340, 19388, 22570, 24235, 25676, 29890, 31598, 31964, 32095, 33929, 36260, 39955, 45140, 48470, 55937, 59780, 63196, 64190, 67858, 78995, 79910, 96940, 110593, 111874, 128380, 135716, 157990, 159820, 169645, 221186, 223748, 237503, 279685, 295667, 315980, 339290, 391559, 442372, 475006, 552965, 559370, 591334, 678580, 783118, 950012, 1105930, 1118740, 1182668, 1187515, 1478335, 1566236, 1957795, 2069669, 2211860, 2375030, 2956670, 3915590, 4139338, 4750060, 5913340, 7831180, 8278676, 10348345, 14487683, 20696690, 28975366, 41393380, 57950732, 72438415, 144876830, 289753660]

約数ペア:

[(1, 289753660), (2, 144876830), (4, 72438415), (5, 57950732), (7, 41393380), (10, 28975366), (14, 20696690), (20, 14487683), (28, 10348345), (35, 8278676), (37, 7831180), (49, 5913340), (61, 4750060), (70, 4139338), (74, 3915590), (98, 2956670), (122, 2375030), (131, 2211860), (140, 2069669), (148, 1957795), (185, 1566236), (196, 1478335), (244, 1187515), (245, 1182668), (259, 1118740), (262, 1105930), (305, 950012), (370, 783118), (427, 678580), (490, 591334), (518, 559370), (524, 552965), (610, 475006), (655, 442372), (740, 391559), (854, 339290), (917, 315980), (980, 295667), (1036, 279685), (1220, 237503), (1295, 223748), (1310, 221186), (1708, 169645), (1813, 159820), (1834, 157990), (2135, 135716), (2257, 128380), (2590, 111874), (2620, 110593), (2989, 96940), (3626, 79910), (3668, 78995), (4270, 67858), (4514, 64190), (4585, 63196), (4847, 59780), (5180, 55937), (5978, 48470), (6419, 45140), (7252, 39955), (7991, 36260), (8540, 33929), (9028, 32095), (9065, 31964), (9170, 31598), (9694, 29890), (11285, 25676), (11956, 24235), (12838, 22570), (14945, 19388), (15799, 18340), (15982, 18130)]