247072900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 607461120

約数和(自身を除く): 360388220

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 71, 85, 89, 92, 100, 115, 142, 170, 178, 230, 284, 340, 355, 356, 391, 425, 445, 460, 575, 710, 782, 850, 890, 1150, 1207, 1420, 1513, 1564, 1633, 1700, 1775, 1780, 1955, 2047, 2225, 2300, 2414, 3026, 3266, 3550, 3910, 4094, 4450, 4828, 6035, 6052, 6319, 6532, 7100, 7565, 7820, 8165, 8188, 8900, 9775, 10235, 12070, 12638, 15130, 16330, 19550, 20470, 24140, 25276, 27761, 30175, 30260, 31595, 32660, 34799, 37825, 39100, 40825, 40940, 51175, 55522, 60350, 63190, 69598, 75650, 81650, 102350, 107423, 111044, 120700, 126380, 138805, 139196, 145337, 151300, 157975, 163300, 173995, 204700, 214846, 277610, 290674, 315950, 347990, 429692, 537115, 555220, 581348, 631900, 694025, 695980, 726685, 869975, 1074230, 1388050, 1453370, 1739950, 2148460, 2470729, 2685575, 2776100, 2906740, 3479900, 3633425, 4941458, 5371150, 7266850, 9882916, 10742300, 12353645, 14533700, 24707290, 49414580, 61768225, 123536450, 247072900]

約数ペア:

[(1, 247072900), (2, 123536450), (4, 61768225), (5, 49414580), (10, 24707290), (17, 14533700), (20, 12353645), (23, 10742300), (25, 9882916), (34, 7266850), (46, 5371150), (50, 4941458), (68, 3633425), (71, 3479900), (85, 2906740), (89, 2776100), (92, 2685575), (100, 2470729), (115, 2148460), (142, 1739950), (170, 1453370), (178, 1388050), (230, 1074230), (284, 869975), (340, 726685), (355, 695980), (356, 694025), (391, 631900), (425, 581348), (445, 555220), (460, 537115), (575, 429692), (710, 347990), (782, 315950), (850, 290674), (890, 277610), (1150, 214846), (1207, 204700), (1420, 173995), (1513, 163300), (1564, 157975), (1633, 151300), (1700, 145337), (1775, 139196), (1780, 138805), (1955, 126380), (2047, 120700), (2225, 111044), (2300, 107423), (2414, 102350), (3026, 81650), (3266, 75650), (3550, 69598), (3910, 63190), (4094, 60350), (4450, 55522), (4828, 51175), (6035, 40940), (6052, 40825), (6319, 39100), (6532, 37825), (7100, 34799), (7565, 32660), (7820, 31595), (8165, 30260), (8188, 30175), (8900, 27761), (9775, 25276), (10235, 24140), (12070, 20470), (12638, 19550), (15130, 16330)]